Brass is an alloy made from copper and zinc in the ratio 3:2, based on weight. If 120g of copper are needed for a certain piece of brass, how much zinc will be needed for the same piece?

Simplify i19 into simplest form

Maria is selling toys an flowers. The toys cost $12 an the flowers cost $10. She needs to make at least $300.

Find the difference between x+7 & 3x+4

Can you combine like terms without formally showing the distributive property? Explain.

If a Balloon is filled with 282 cubic inches of a gas at a pressure of 14 pounds per square jnch, using inversely proportional find the new pressure of the gas if the volume is decreased to 47 cubic inches

Julie owns a small business. There was a loss of $14 on Thursday and a loss of $15 on Friday. On Saturday there was a loss of $13, and on Sunday there was a profit of $18. Find the total profit or loss for the four days.

Charlie runs at the speed of 3 yards per second. About how many miles per hour does Charlie runs?

What is the area of the shaded region? A. 10 square units B. 12 square units C. 15 soulare units D. 14 square units

If a roof's slope is 0.5, how high will the roof rise over a 17-foot run? a). 8 1/2 feet b). 17feet c). 1/34 feet d). 34 feet

A How does matter change from one state to another? B How is melting similar to solidification? How is it different?