A bag of marbles contains 7 blue marbles and 13 red marbles. what percent of the marbles are red?

It took Reza 2 hours to edit 6 math problems. At that rate, how many math problems could Reza edit in 45 hours?

Two 5 inch pulleys are Connected by a untwisted straight belt if the first pulley is turned clockwise at 15 rpms in what direction and how fast will the second pulley turn

How do i solve 14x-2=8x+6 (11+x)

135 trillion in scientific notation

A piece of wood 50" long is sawed into 2 pieces. 1 piece is 5" longer then the other Write this problem into an equation The answer given is x + (x+5) = 50 Take the board 25" and 25". Take 5" off one so we have 20" add 5" to one. Thats 20 + 25.

Given a geometric sequence with a1 = 3 and r = 0.5, write the first three terms of the sequence

3 equals ___ divided by 9

If sin (x) = 0 and cos (x) = 1, what is tan (x) ? 0 1 undefined

8300 dollars is placed in an account with an annual interest rate of 6.5%. How much will be in the account after 14 years, to the nearest cent?

What is - d=|300-48t|