Gexercise 19.7 suppose you are given a rebltion r \vith four attributes ab()d. f'or each of the following sets of fds, assurning those are the only dependencies that hold for r, do the following: (a) identify the candidate key(s) for r. (b) identify the best honnal forbl thatr satisfies (lnf, 2nf, : jnf, or benf). (c) if ii is not in bcnl~\ decolnpose it into a set of bcnf relations that preserve the dependencies. 1. c: - d, + a. 13 c 2. fj '-~-f c'. d --> a : 3. abc -~f d, d --> a 4. a -+ b. b(} ,. d. a ~. c 5. a13 c, ab···_··.• d. c -+ a, d·_·-+ 13

In this lab, you complete a prewritten c++ program for a carpenter who creates personalized house signs. the program is supposed to compute the price of any sign a customer orders, based on the following facts: the charge for all signs is a minimum of $35.00. the first five letters or numbers are included in the minimum charge; there is a $4 charge for each additional character. if the sign is made of oak, add $20.00. no charge is added for pine. black or white characters are included in the minimum charge; there is an additional $15 charge for gold-leaf lettering. instructions ensure the file named housesign. cppis open in the code editor. you need to declare variables for the following, and initialize them where specified: a variable for the cost of the sign initialized to 0.00 (charge). a variable for the number of characters initialized to 8 (numchars). a variable for the color of the characters initialized to "gold" (color). a variable for the wood type initialized to "oak" (woodtype). write the rest of the program using assignment statements and ifstatements as appropriate. the output statements are written for you. execute the program by clicking the run button. your output should be: the charge for this sign is $82. this is the code, // housesign. cpp - this program calculates prices for custom made signs. #include #include using namespace std; int main() { // this is the work done in the housekeeping() function // declare and initialize variables here // charge for this sign // color of characters in sign // number of characters in sign // type of wood // this is the work done in the detailloop() function // write assignment and if statements here // this is the work done in the endofjob() function // output charge for this sign cout < < "the charge for this sign is $" < < charge < < endl; return(0); }

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Create a program that will take in a single x and y coordinate as the origin. after the input is provided, the output should be all of the coordinates (all 26 coordinates read from the “coordinates. json” file), in order of closest-to-farthest from the origin.