A city has 5 new houses for every 7 old houses. If there are 45 new houses in the city, how many old houses are there?

Add or subtract. Express simplest form 1 2/5 - (-1 2/15

Which value equivalent to (f•g) (10) ?

How to write 0.2 in words

59:26 What is the length of the hypotenuse, x, if (20, 21, x) is a Pythagorean triple? 22 29 41 42

Which equation to 4.8+2.2x-1.4x+2.4

What is the value of 4 (x+y) - 1+2z when x = 3, y=12, and z=-1? Enter your answer in the box.

Determine whether the equation has one solution, no solution, or an infinite number of solutions. 7x - 9y = 12

Mike is working on solving the exponential equation 37^x = 12; however, he is not quite sure where to start. Using complete sentences, describe to Mike how to solve this equation.

Given: 7n+2=4n+17 prove: n=5

Find the volume of a cylinder whose base has a radius of 3 and whose height is 12.5. Use pie = 3.14 and round to the nearest tenth.