What is the sum or difference?

6x7 + 8x7

You improve your time running a course by 5 Seconds in week one by three seconds in week two and by four seconds in week three what is the average weekly change in your running time?

Give a verbal description of the subset of real numbers represented by the interval X is greater than five

How would you solve this problem? ((2x^12y^3) / (x^10y)) ^-5

Sarah gets 5.50 each week for allowance

6 out of every 20 people in the U. S. who were over the age of 25 had completed four years or more of college. If a community has 1860 residents over the age of 25 with four or more years of college, how many residents over the age of 25 live there?

What is an expression equal to 5 (4x-3

At a sale this week, a sofa is being sold for $231. this is a 34% discount from the original price. what is the original price?

Katrina saved $300 last summer. Of that amount, 12% how much Came from her allowance

Using the quadratic formula to solve 4x^2-3x + 9=2x + 1 what are the values of x

Write an expression that is equivalent to 8b+4b-2