4. The sail of a boat is in the shape of a right triangle. If the area of the sail is 42 square feet and its base is 12 feet, what is the height of the sail?

30 treadmills to 36 elliptical machines the ratio in simplest form

What is j / 6 = 9/10

N a trip to his grandparents, donny drove 60 miles per hour for 45 minutes and 50 miles per hour for 30 minutes. how many miles did donny drive?

A consulting firm submitted a bid for a large research project. The firms management initially felt there was a 50/50 chance of getting the bid.

Veronica surveyed her classmates about which types of pets they own. The graph shows her data. A circle graph titled Pets. 32 percent is dogs, 26 percent is cats, question mark is fish, 13 percent is lizards, 18 percent is no pet.

If 3 of the Roberts 4 dogs are black, what percent are NOT black

How long does $1250 have to be deposited at a simple interest rate of 2 1/2% before the balance is tripled?

4. An app developer projects that he will earn $20.00 for every 8 apps downloaded. Write an equation to represent the proportional relationship between the number of apps and the total earnings.

Where would the brackets go to make these numbers possible i) 3 x 4 + 8 : 2 = 10 ii) 6 2 : 12 - 3 + 4 x 12 = 48 (6 2 is actually an exponent 2 is the power)

in the diagram of parallelogram ABCD shown below the measure of angle A is five times the measure of angle D what is the measure of angle A?