What are the exact solutions of x2 − x − 4 = 0? a. x = the quantity of negative 1 plus or minus the square root of 15 all over 2 b. x = the quantity of 1 plus or minus the square root of 15 all over 2 c. x = the quantity of 1 plus or minus the square root of 17 all over 2 d. x = the quantity of negative 1 plus or minus the square root of 17 all over 2 which is it? 59 points and brainliest answer to the one who get it right.

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?

Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?