Anne and Nancy use a metal alloy that is 20% copper to make jewelry. How many ounces of a 14% and 24% alloy must be mixed to form 100 ounces desired alloy?

the variables x and y vary directly when x=10 and y=25. Write and equation that relates x and y. then find y when x=8

Factor the polynomial completely: 16t*2-24t+9

Shannon bought a new couch that was orginally$4580. Shannon bought the couch on sale for $2748. What was the discount rate?

Round 76 to the nearest tenth

How to solve x/8>3 how

How many lines of symmetry does a square of possible answers: 3,5,6,12

Tommy's batting average this season is 0.275. This means that he had a hit in 27.5% of his at-bats. If Tommy had 11 hits so far this season, how many at-bats has he had?

Given only the information in the diagram, determine if m is parallel to n. If so, name the postulate or theorem used to support your conclusion.

A large Ghirardelli's bar is 28 cm long and 8 cm wide. A smaller Ghirardelli's bar is 7 cm long. If the bars are similar, what is the perimeter of the smaller Ghirardelli's bar?

What is the value of x in the equation 3 х - 2y = 18, when y = 27? 5 7 45 63