4t+13=5 how do i do this

Select the correct answer. Michael cycled a distance of miles in hours. What is his cycling unit rate in miles per hour? A. 4/77 mile per hour B. 6 5/9 miles per hour C. 12 2/3 miles per hour D. 19 1/4 miles per hour

Find f (1/3) if f (n) = 3n

Original price: $25; Markdown: 12%

The number of popcorns sold at a movie theatre was 8 less than three times the number hotdogs. How many hotdogs did the theatre sell if it sold a total of 592 popcorns

8z-13=7 what's the number that replaces z

Two angles are supplementary if their sum is 180°. One angle measures five times the measure of a smaller angle. If x represents the measure of the smaller angle and these two angles are supplementary, find the measure of each angle.

Find the domain of the function (f/g) (x) where f (x) = √x+1, g (x) = √x-9

The time required to complete a job varies inversely with the number of people working if it took 5 painters 3 days to paint a house, how long would it take 1 painter?

A rectangular swimming pool has an area of (70x+10) square feet. Find possible dimensions of the pool.

If the store purchases a product at a wholesale cost of $1.65, and it is sold at $2.20, what is the gross profit percentage? (formula: gross profit percentage = [ (retail - cost) divided by retail] x 100)