A machine can fill a box with twenty pencils in 30 seconds. How many boxes can the machine fill in 2 hours?

80, decreased by three times a number, is the same as five times the number, increased by 8. find the number

Which is a measure of the efficiency of an investment? return rate return on investment efficiency coefficient

Find the least common multiple of 15b4 and 6a2.

Solve for x 10 (x - 3) = 5 (3x - 8) A.) 2 B.) 10 C.) - 2 D.) - 10

How much cashews at $1.58 per pound must be mixed with walnuts that cost 78 cents per pound to make a mixture of 40 pounds of nuts that cost $1.50 per pound?

An item in regular priced at $81. it is on sale for 35% off the regular price.

You go to a restaurant with four other people the total food is $43.85 you need to add 5% for tax and 15% for tip if you decide to split the bill evenly estimate how much you okay

Can you tell me a quick way to solve this problem 2/7m-1/7=3/14

Use elimination to solve the system of equations. 3x - 5y = - 9 x + 2y = 8

When constructing an angle bisector, why do the arcs intersect?