Which of these angles are supplementary?

A. 100o and 90o

B. 78o and 102o

C. 54o and 146o

D. 12o and 78o

The distance between the library and the grocery store is 4cm on the map. the actual distance is 12 km what is the scale of the map?

The regular price for designer jeans is $74.95. When the jeans are on sale for 20% off, what is the discount and the sale price?

Dan had 78 dollars to spend on 7 books. After buying them he had 15 dollars. How much did each book cost?

What is 3/7 divided by 2/3

Which classification best represents a triangle with side lengths 10 in., 12 in., and 15 in?

Lionel wanted to share 4 muffins with his 5 friends. He separated the muffins into 6 equal parts. What is the total amount each person would receive?

Tell whether the ordered pair (1, - 4) is a solution of the given system y = - 4x y = 2x - 2

Can you solve 2x+16 = 40

Solve for y. 9/4y-12=1/4y-4 Just the answer u don't have to prove

What is the probability that a student randomly selected from a class of 60 students will be a male who has brown hair? 1) One-half of the students have brown hair. 2) One-third of the students are males.