Which expressions are equivalent to - 9x-21

The only two-digit prime with each digit the same

If paint covers 300 square feet per gallon, how many gallons will it take to paint a home with a flat roof measuring 63 foot long, 47 feet wide, and 10 feet high?

A shirt is marked as 30% off. The original price is $45. What is the sale price?

In a local school district, the high school and middle school each received r dollars toward funding for the student arts program. The high school enrolled 300 students and the middle school enrolled 200 students.

Perimeter of a rectangle must be less than 180in and the width is 26in what is the height show steps too!

Juan an avid golfer used two strokes on a miniature golf hole which was one stroke below par. What was par for this hole

The left and right page numbers of an open book are two consecutive integers whose sum is 293. Find these page numbers. The smaller page number is: The larger page number is:

What is 100 times 90

What is the equation of a line that passes through (-4,7) and perpendicular to y=2/5x+1

A tiger can eat food that weighs up to 15% of its body weight. If a tiger can eat 75 pounds of food, how much does a tiger weigh?