90% on a test. If he answered 135 questions correctly, how many questions were on the test?

If you flip a fair coin 444 times, what is the probability that you will get exactly 222 tails?

What times what equals 11

A 24 ib bag of dog food sells for $10.56. What is the unit price per pound

4 (-2) ² + 8 (-2) + 3 (-2) + 6 =

14 ft, 8ft Surface Area:

The height of a building is 1734 ft. How long would it take an object to fall to the ground from the top? Use the formula s equals 16 t squared , where s is the distance, in feet, traveled by an object falling freely from rest in t seconds.

Write the equation of the line that is parallel to the graph of y=-4x - 9, and whose y-intercept is 3.

One third plus one third

A car is bought at the price of $20,000. The value decreases at the rate of. 20 every year (t). The exponential expression 20,000 (0.80) t describes this situation. Find the price of the car after 3 years.

Trina has two brothers. one brother is 7 years older than trina and the other brother is 7 years younger than trina. the product of her brothers age is 95. a. if x represents trinas age, write an equation to describe the product of her brothers ages.