7z-9z is equivalent to wich of the following

a. - 2

b. - 2z

c. - 2z2

5 Select the correct answer. Which financial term refers to a reduction in the price of a product in order to obtain a response from consumers? ОА loan OB. discount OC. interest OD investment

Show that the sum, over the set of people at a party, of the number of people a person has shaken hands with, is even. assume that no one shake his or her own hand.

What values make the inequality x+6/6-x<0 true?

Find the radius of a circle with a circumference of 59 yards. Round your answer to the nearest hundredth of a yard.

What is the solution of the equation? 2^5 square root (x+6) ^3 + 3=19

Simplify by dividing negative three over eight divided by five over nine ... A. negative fifteen over seventy-two. B. fifteen over seventy-two. C. negative twenty-seven over forty. D. twenty-seven over forty.

Explain and illustrate what of means when you find a fraction of another number. what operation do you use when you find parts of parts

Simplify fully: (2x+3) ^2 - (2x-3) ^2

Jamie wants to put tiles on the walls and floor of his room (but not on the ceiling). The length of his room is 10 feet, the width of his rooms is 14 feet, and the height is 12 feet.

Denzel bought 3 sweatshirt for $21.99 each and 2 t-shirts for $18.50 each. How much did he spend?