For what value of x is 2x-8/x^2+7x + 10 an invalid expression

Mr. jansen is building a ice rink in his back yard that will measure 8.4 meters by 22 meters. what is the are of the rink?

What is the sum of 13 5/7 + 13/28 ?

A trapezoid with no right angles and an area less than 12 square centimeters

1879 meters to kilometers

Jake has a piece of yarn that is 4 feet's long. Blair has a piece of yarn that is 4 inches long. who has the longer piece of yarn? Explain

X+cy=d; x-dy=c. solve for systems x and y

5 in Wide 6 in wide 10 in tall 15 in long A. 48 in2 B. 84 in2 C. 90 in2 D. 157,500 in2

A piece of wood is 3/4 meter long is being cut into smaller pieces that are each 1/10 meter long. Which expression is one of the steps in determining how many pieces can be cut? A. 3/4 • 1/10 B. 3/4 • 10/1 C. 10/1 • 4/3 D. 1/10 • 3/4

Which of the following is an irrational number a. 17.25 b. 24 3/13 c. 38/5 d. 13.627497 ...

You earn $17.50/hr and work 40 hr/wk. Your deductions are FICA (7.65%), federal tax withholding (12.3%), and state tax withholding (6.2%). Your housing and fixed expenses are 30% of your realized income per month.