How much of an alloy that is 10 percent copper should be mixed with 500 ounces of an alloy that is 90?

Which fraction is less then 7/15 A:5/9 B:6/11 C:1/2 D:4/9

When 63x3y 105x2y is divided by - 7xy, the quotient is. if this quotient is divided by, the result is 3x 5.?

Mary plans on stdying for 3 1/3 hours the 4 days before her test. lf she studies for the same amount of time each day, how much time will she spend studying each day?

Bryn's age is given by the expression 3g - 7, where g is her sister Gabriela's age. If Bryn is 17, how old is Gabriela?

At one farmer's market, bananas cost $0.80 per pound. At another farmer's market, bananas are sold in 5-pound bags for $4.50 per bag. Which explains how to find the better buy? Divide 4.

What is 8-p/2 is less than or equal to 4?

Convert 3,200,000 to a scientific notation

Lulu bought 2 blouses for $24 each and 3 pairs of socks for $7 each, tax included. How much change would she receive if she paid with bills totaling $80? Choose exactly two answers that are correct. A. division B. multiplication C. subtraction

2y + 5x - z = 4y + 6x solve for y

I'm not quite sure how to do this question: - 2 (35-5y)