A chemist needs 90 milliliters of a 72% solution but has only 68% and 77% solutions available. Find how many[..]

The math club raised money for its spring banquet by washing vehicles. The club charged $3 per car and $5 per truck.[..]

The scale factor of Figure A to Figure B is 1:x. What is the scale factor of Figure B to Figure A?

Are two isosceles triangles always, sometimes, or never similar?

At a local bookstore, John purchased a history textbook and a magazine that cost a total of $32, not including tax.[..]

Find the degree of each polynomial. 12

Three times the second of 3 consecutive even integer more than the sum of the other two integerss decreased by one

If two polygons are similar, must they be congruent? If two polygons are congruent, must they be similar? Explain.

A sculling team leaves the boat launch an travels down river with the aid of a 3 mph current. After 3 hours they[..]

A roofing contractor estimates that he can shingle a house in 20 h and that his assistant can do it in 30 h. How[..]