Sam makes $400 per week plus $20 commission oh each new cell phone plan she sells. write an equation to determine how many new plans she sold to earn $680 last week.

What is the square root of 157.

Assume that you have 7 dimes and 5 quarters (all distinct), and you select 4 coins. In how many ways can the selection be made so that at least 3 coins are dimes? In how many ways can the selection be made so that at least 3 coins are dimes?

What is the area of the rhombus?

A school has 7 buses. Each bus has 40 seat. Filling in the missing number to find the total number of seat on the 7 buses

For the equation, Ax + C=Bx+d, find x expressed in terms of a, b, c, and d

Which value should go in the box to make the fractions equivalent? 3/5 = () / 35. A) 7 B) 15 C) 33 D) 21

What does x+5>8 equal

Which system of equations below has no solution? y = 4x + 5 and y = 4x-5 y = 4x + 5 and 2y = 8x + 10 y = 4x + 5 and y = x+5 y = 4x + 5 and y = 8x + 10

One puppy weighs 12 ounces. Another puppy weighs 5/8 pound. Which puppy weighs more? Explain.

Carl has one kind of bread