Which pairs of rational numbers are equivalent? Select all that apply. -0.5 and -1/2 0.7 and 7/10 11/20 and 0.55 -1/50 and -0.02 0.15 and 0.15

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

Give all possible names for the line shown. calculation tip: lines can be written with either point first.