If a number is divisible by x and y does it have to be divisible by xy

Each side measures 15 feet. What is the area of the room?

How many times does 30 go into 42?

Cherie bought a dress and paid the sale price of $96. The dress had been reduced 20% for the sale. What was the original price for the third dress.

A quadratic equation of the form 0 = ax2 + bx + c has a discriminant value of 0. How many real number solutions does the equation have?

What is the value of 10^3 x 0.006?

4) 4n2 + 7n - 135 = 0

Of the 15-year-olds at a karate school, 6 have black belts and 20 have brown belts. Among the 16-year-olds, 5 have black belts and 9 have brown belts. Which age group has a higher ratio of black belts to brown belts?

What is 180 squared show your work

What is the range of y=2 to the power of x

How gay are you and why you are gy