Which expression is equivalent to r-9/r-3

Aiden has three 20$ bills and two 10$ bills he wants to save a total of 95$ how much more money does he need what bills could they be

When flying a kite, Peter lets out 45 ft of string and anchors it to the ground. He determines the angle of elevation of the kite is 63°. What is the height of the kite from the ground? Round to the nearest tenth.

You just received a raise after working for your company for a year. Your new hourly wage is $12.50. If you are paid biweekly and you work a normal 40 hour week, what is your base salary per pay period?

Factor trinomials; 2v^2 + 11v + 5

What is the answer to this 10 - (4y-8) = 2-5y

9 - 3 : 1/3 + 1 = ? ...

Each month, MS Patrick spends $60 on transportation to work, and earns $24.50 per hour. each month, MR Shah spends 150 on lab equipment and earn $32.50 per hour. how many hours do they have to work to earn the same amount?

Mr. Smith has 12 congruent boxes shaped like rectangular prisms in his office. If the length is 25 inches, the height is 2 feet, and the volume is 9,000 cubic inches, what would the width of one of his boxes be?

Solve for q. -15 - 18q = - 20q + 15 q =

Represent the proportional relationship described with an equation where d equals dogs and c equals cats: three dogs for each cat