There are 765 marbles in a box. There are twice as many blue marbles as green marbles. There are three times as many red marbles as blue. How many blue marbles are there in the box?

If sin a = - 4/5 and cos a > 0, find tan a and sec a.

A-Plus Auto Body is painting flames on a customer's car. They need 2 1/2 pints of red, 3 pints of orange, 3/4 pint of yellow, and 7 pints of blue paint. They use 3/4 of the blue paint to make the flames.

The sum of three consecutive odd integers is - 315 find three integers

Evaluate 15+w for w=6

Maria can read 20 pages of economics in an hour. She can also read 50 pages of sociology in a hour. She ... ? Maria can read 20 pages of economics per hour. She can also read 50 pages of sociology in an hour. She spends 5 hours per day studying. a.

Write an algebraic expression that represents how many total cars there are on the toyota car lot if there are r rows and each row contains 37 cars

Simplify the radical expression - 21√27x^9

an 18 - foot ladder is keaning against the side of a building forming a right triangle. The angle formed by the ladder by the kadder snf to the ground is 60°.

What is the answer to k/7 + 3 - 2k = - 3

What is the answer for this problem?-4k+2 (5k-6) = - 3k-39