Mudrik installed a device on his car that guaranteed to increase his gas mileage by 10%. The gas mileage increased by 3 miles per gallon after installing the device. How many miles per gallon did he get before the device was installed?

17. (Ignore income taxes in this problem.) If you wanted to withdraw $12,000 from a bank account at the end of each of the next 20 years, approximately how much would you have to invest in the account today assuming a 6% interest rate? a. $20,924 b.

Leah likes to stretch 5 minutes for every 10 minutes of dancing. How many minutes should she stretch if she is doing a 50 minute dance class?

What's the commutative property

hillary pours 10 cups of orange juice into glasses that hold 1 2/3 cup each. how many glasses does Hillary fill.

Assuming only the lengths of the sides of a triangle are given, how can you determine if the triangle has a right angle?

Solve for x. x - 8 = - 20 A) - 28 B) - 12 C) 12 D) 28

A rancher wants to build a rectangular pen with an area of 36 m2. (a) Find a function that models the amount F of fencing required, in terms of the width w of the pen. F (w) = (b) Find the pen dimensions that require the minimum amount of fencing.

Simplify (A u B u C) n (A n B') n C'

What is the rang for the equation y=2x-3

find the rational numbers between 1/3 and 1/2, how many rational numbers can be determined between these two