Twelve decreased by twice a number is the same as 8 times the sum of the number plus 4. What is the number

Ralph sold brownies for $0.66 a piece in order to earn money to buy baseball cards. If the cards cost $0.90 per pack, and if Ralph ...

Sarah had a coupon for 10% off one frozen ham. the hams cost $8.50 each, and kiya bought two. how much did she pay?

Paul has $90,000 to invest. His intent is to earn 12% interest on his investment. He can invest part of his money at 7% interest and part at 13% interest. How much does Paul need to invest in each option to make a total 12% return on his $90,000?

What multiplies to 24 and adds to 13

A container shaped as a rectangular prism can hold 840 wooden cube blocks with edge lengths of 1/2 ft. What is the volume of the container?

What is the solution to the equation? 2 (x - 7) = 10x + 18

an ecosystem which is 10 km squared contains a population of 1000 squirrels what is the population density of the squirrels in this ecosystem

Zeus industries bought a computer for $2149. it is expected to depreciate at a rate of 25% per year. what will the value of the computer be in 3 years?

What is it called when a pattern of shapes are repeated to fill a polygon without overlapping or leaving gaps

JJ withdraws $15 from his bank account every week for lunch. Suppose he does not make any additional deposits or withdrawals. What integer represents the change in value of JJ's bank account after 8 weeks? Write and evaluate an expression.