3 (5-2h) + 9=-30 I need to find h

A pyramid has a volume of 1.944 in and a rectangular base with the dimensions 18 inches by 9 inches. What is the height of the pyramid? O 4 in. O 12 in. O 24 in. O 36 in.

The ratio of girls and boys in a swimming club was 2:5. There we're 20 girls. How many boys were there at the club?

How much larger is 1 ft in one cubic inch

What is the discontinuity of (x^2 + 3x - 4) / (x^2 + x - 12) ?

If there are initially 4500 bacteria in a culture, and the number of bacteria double each hour, the number of bacteria after t hours can be found using the formula below. How many bacteria will be present after 6 hours? N=4599 (2) ^t

a truck traveled 8 hours at an average speed of 55 mph. how far did the truck travel? (distance = rate x time)

Darla drives at a constant speed of 45 miles per hour. a. If she drives for y miles and it takes her x hours, write the two-variable equation to represent the number of miles Darla can drive in x hours b.

Substitute x=5 and y = 7 for the algebraic expression 24x-3) + 6 (3y-5) and evaluate the expression

In a region there is a. 95 probability chance that a randomly-selected person of the population has brown eyes assume 12 people are randomly selected

4b - 5 = - t, solve for b