Find the equivalent expression
3 + 2 (2p + 4t)

a. 12p + 24t
b. 4p + 12t + 6
c. 4p + 8t + 3
d. 10p+ 6t + 3

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?