A bag has 7 red marbles, 8 blue marbles and 5 purple marbles. Rachel draws a marble from the bag without looking. What is the probability that Rachel draws a blue marble?
O A 45
OB. 8%
O c. 12.5%
D. 405
O E 66.75

40%

Step-by-step explanation:

7+8+5=20

8/20

.40 then move the decimal to the left 2 times and there's your answer

b. 24 mm

step-by-step explanation:

use the pythagorean theorem.

a^2 + b^2 = c^2

a^2 + 7^2 = 25^2

a^2 + 49 = 625

a^2 = 576

a = 24

answer: b. 24 mm

if you use photomath right away it will give you the answer not like this app that you have to wait for people.