If 8, x, y, z and 20 are in arithmetic progression, find x, y, and z

This year Jake is 5 years older than his sister. Three years ago Jake was twice his sister's age. How old is Jake's sister now?

How does the graph of a parabola change when you change the value of k? a it shifts vertically b no change c. it shifts horizontally d. both a and c

Explain how to write 50,000 as exponants

a sporting goods store charges $30 for 12 cans of tennis balls and $45 for 2 boxes of golf balls. a coach orders 100 cans of tennis balls and 5 boxes of golf balls. how much will the coach pay for the tennis and golf balls?

Solve two-step equation

A triangle has 3 sides. The base it's 6 feet. The height is 9 feet. What is the area

Liam had a number of chocolates in his pocket. he decided to give most of them away before they melted. so he gave two-thirds to Lucy, then one-fifth of the remainder to his mother, which left twelve for himself.

What is bigger 16 deciliters or 160 liters

A bus can at most be filled with 36 passengers. If there are currently 25 passengers there already. How many passengers can be added at most? passengers

Let set A={1, 2} and B be {3,4} then AX B (Cartesian product of set A and B) is a) {1,2,3,4} b) { (1,3). (2,4) } c) { (1,3), (2, 4), (1, 4), (2,3) } d) { (3,1), (4,1)