A teacher needs 256 lengths of string cut to 40 cm each. if balls of string are 30 cm long how many balls will be needed

Here is another math question 6/3 + (-1/3)

The difference of 3 times a number and 15 is no less than the square of the number.

How to write 120 + 25x = 45x in a real world situation

What's the GCF for 12x+20?

Which is smaller - 0.145 or - 0.072

A box contains 8 white socks, 4 black socks and 2 blue socks. If you reach in and pull out one sock, what are the odds that it will be a black sock? Write you answer in simplest form. A. 2/7 B. 2/5 C. 1/2 D. 4/6

15.9 ounces = how many grams

What is the solution to 89 + k = - 42

The time it takes to wash all the windows on a large building W (x) varies inversely with the number of workers assigned to the job x. It takes 6 hours to complete the job when 4 workers are assigned to it.

Corey bought a container shaped like a rectangular prism to hold his photo collection. if the containers dimension are 6 in and 8 in by 10 what is the volume