4. A rectangle-shaped picture frame has a length of 4b cm and an area of 12ab² square cm. Find the width. *

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Solve for the equation. 4x - 13 = 2x + 9

Find the measure of angle a in the following triangle