Find the highest common factor of 80 and 20

In the expression 7^3-4•3+8, the first operation is

Which expression is equivalent to 30 (1/2x-2) + 40 (3/4y-4) ? 1.45xy-220 2.15x-30y-220 3.15x+30y-220 4.15x+30y-64

The cost of a skateboard is $60. it went on sale and is now 33% off. what is the amount of the skateboard now?

A ball is dropped from a height of 64 feet. Its height, in feet, can be modeled by the function h (t) = - 16t square + 64, where t is the time in seconds since the ball was dropped. After how many seconds will the ball hit the ground?

Solve the following equation then enter your answer in the space provided using mixed numer format 7 (x-2) = 3 (x+4)

What is 15% of 60? create a model to prove your answer. in equivalent fractions

A person has 17 coins, all nickels and dimes, worth $1.25. How many nickels are there? a) 10 b) 8 c) 9 ... ?

Round 34.4653370764 to the nearest whole number

The diagonal of a tv is 20. The length is four inches more then the height. Find the length of the tv

How many 9/16 foot pieces of wood can u cut from a board that is 3 15/16 feet long?