There were 12 boys and 20 girls in a chorus.

what is the ratio of boys to girls?

a. 3 : 5

b. 3 : 8

c. 5 : 8

d. 5 : 3

What is the measure of angle afe? 79 81 91 99

In a timed typing test lara typed 63 words per minute. estimate the number of words she should be able to type in half in hour show your work

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2