Which of these is a unit rate?

A; $3 for 3 hotdogs

B:$5 for a case of soda

C:$8 for 6 cupcakes

D:$16 for 2 movie ticket

An=-5n+90 i dont know it

Elias and Niko are polishing the silver at the heritage museum. Elias could polish all the silver himself in 40 minutes. That task would take Niko 50 minutes to complete alone.

How to find unit rate

A bike shop sells you a bicycle for $63 and a helmet for $21. The total cost is 150% of what the shop spent originally. How much did the shop spend originally? How much profit did the bike shop earn by selling the bicycle and helmet to you?

Dominic earns $285 per week plus an 8% commission rate on all his sales. If Dominic sells $4,213 worth of merchandise in one week, how much will his total earnings for the week be?

Thirty-six and fifty-two thousandths as a decimal number

What is the lowest terms for 4/8

Find the next three terms of the arithmetic sequence 5, 9, 13, 17, ...

5 breeds of rabbits

over a period of two weeks, Todd went from bench pressing 190 pounds to 220 pounds. Find the increase in weight that Todd can bench press. Round your answer to two decimal places.