Lee baked 50 cookies. He gave some to a friend and ate 50% of the remaining cookies. He had 15 cookies left. What percentage of the cookies did he give to his friend?

Jamie places fifteen 1 inch cubes in the bottom of a box. She adds 4 more layers of the same number of cubes to completely fill the box. What is the volume of the box?

How many significant figures are in avogadro's number?

Suppose it is 40 inside your fridge and 340 inside your oven when the power goes out the fridge temperature starts rising at the rate of 5 per hour the oven temperature startes dropping at the rate of 45 per hour

Complete The Square: (Z^2) - 19z=66

F (x) = 1/25 (∣6x∣+4x) f (-45) = what

Lisa is framing a rectangular painting. The length is three more than twice the width. She uses inches of framing material. What is the length of the painting? Write an equation and solve.

How to find the radius of a sphere when you have the volume given to you

Write a two column proof. Given: 4y = 2x - 10; y = 6 Prove: x = 17

Speed between 145.155 and 144.809

What 2 numbers have an absolute value of 4 * A 4 and 16 B 4 and - 4 C 2 and 4 D - 2 and - 4