Estelle's cornfield is divided into 6 regions. She wants to know if a new pesticide is as effective as the pesticide that she currently uses. She randomly assigns each of the 6 regions to either the new or current
pesticide for a month, and she'll compare the effectiveness of the pesticides.
What type of experiment design is this?
A. a randomized block design where the 6 regions are the blocks.
B. a matched pair design with the new pesticides and current pesticides as the pairs.
C. A randomized block design where the pesticides are the blocks.
D. A completely randomized design.
E. A systematic cluster design.

You and three friends will be going out to eat at your favorite restaurant! each of you will order three items of your choice. you will also need to leave a tip. if you split the bill evenly among all four of you, how much will each person need to contribute? locate a menu for your favorite restaurant and pick three items for yourself and each friend. list the restaurant name, items, and prices in a table like the one below. in the column labeled subtotal, determine the cost of each person’s order. the customary tip is 20% of the total bill. in the column labeled tip, calculate the amount of tip each person should leave. in the column labeled total bill, determine the total of each person’s order, including the tip. restaurant name: names item 1 price item 2 price item 3 price subtotal tip total bill your name friend #1 friend #2 friend #3 part 2: questions answer the following questions, showing all work: what is the total cost of the entire bill (all four meals), including tip? write an expression using fractions to show how to determine the amount that each person will pay. then calculate each person's contributions showing all steps in long division. if each person paid an equal amount, who would save the most money? explain your reasoning using at least two complete sentences.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?