PLSS HELP I WILL GIVE BRAINLIST 5: what is the perimeter of the parallelogram?

6: what is the area if the parallelogram?

7: If angle B measures 130 degrees, what is the measure of angle C

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?

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.