What is the mean of all three-digit positive integers whose digits are in the set 2, 0, 1, 9.

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