Mary mixes white paint and blue paint in the ratio 2: 3. She makes a total of 20 litres of paint.
How much more blue paint does she need to add to the mixture so that
the ratio of white paint to blue paint becomes 1: 7?​

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90