A company that makes​ hair-care products had 7000 people try a new shampoo. Of the 7000 ​people, 40 had a mild allergic reaction. What percent of the people had a mild allergic​ reaction

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Abcd is a square. what is the measure of angle bac

Use the distance formula to find the distance between (-3,5) and (3,1)