The variable z is directly proportional to x. When x is 15, z has the value 165. What is the value of z when x = 25?

Rewrite the equation by completing the square. 4x ^ 2 + 8x + 3 = 0

Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $240 in interest after 3 years. How much money should he deposit? A. $50 B. $500 C. $3,840 D. $5,000

Sammy opens a bag of skittles and counts all the green skittles. There are 13 green skittles in a bag with 65 skittles. What is the ratio of green to total skittles?

2m^2+2m-12=0 in vertex form

Given the function f (x) = - 5x2 - x + 20, find f (3).

you've got a summer job renting beach umbrellas and chairs to tourists at the beach. part of your job is to encourage people to rent from you, your pay structure includes an incentive.

Brenda is laying down colored rope to mark the borders of a beach volleyball court. The length of the court must be triple its width. The court needs to be 17 feet wide. How much rope will Brenda use to mark the outline of the court?

S+tx=r solve for x show steps

The desired accumulated amount is $100,000 after 4 years invested in an account with a 4% interest compounded quarterly

A store had 600 pounds of feed. After delivering equal amounts to 4 farmers, there are 60 pounds left. How many pounds did each farmer receive?