Solve the equation 2x + (7x + 9) = 90 to find the value of x.

What is the greatest common factor of 36 and 96

Each unit costs 14p how much does 942 units cost

A tv is on sale for 135. this is 65% of it original price. what is the original price as an algebraic equation

The function Q (t) = Qe^-kt may be used to model radioactive decay. Q represents the quantity remaining after t years; k is the decay constant, 0.00011.

A bag has 14 yellow Marbles and 6 red marbles half of the red marbles are made of plastic a marble is selected at random from the bag what is the probability that it is a red plastic marble

The width of a box is 12 cm. The length of the box is two times the width. The height is 10 cm longer than the length. What is the volume of the box? (V = lwh)

A train travels 75 km every hour how far will it travel in 5 hours?

Tony leaves home at 7:30 AM and drives for 1 1/4 hours to work. He works for 4 hours and then has a half hour lunch break. Tony then works 4 1/2 hours more. Finally he drives for 1 1/4 hours to get back home. At what time does Tony arrive at home?

A baseball player has a batting average of 0.380. What is the percentage of hits for his times at bat?

On 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?