Which angles are complementary in the figure shown?

a. ∠dvf and ∠evf
b. ∠dve and ∠dvf
c. ∠dve and ∠evf
d. ∠edv and ∠efv

To ? nd out how many students are unhappy with the dining hall food, you distribute a survey. which method of surveying would produce the least amount of bias in your data?

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.