Astudent said that 42% of 78 is 45. is this answer reasonable

Use the distance formula to determine the distance that point q is from r on the hypotenusebased on a 2-3 ratio. i need asap !

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

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.