Samantha has chocolate bars and lollipops in the the ratio 4:5. If she has 12 chocolate bars, how many lollipops does she have?

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?