2/5 (r-2) = 3/20 (r-4)

What is r?

Find the average value of the function f over the interval [1, 6]. f (x) = 2 - x

Evaluate 3/7r + 5/8s when r = 14 and s = 8.

A sailboat is traveling at a speed of 10 nautical miles per hour if one nautical mile is 6076 feet what is the speed of the sailboat in feet per second

What is the Absolute value 18/8

Zach bought a pair of jeans for $75. The next week he noticed that the same pair of jeans was now 15% off. How much was the pair of jeans after the discount?

Suppose that the concentration of a bacteria sample is 60 comma 000 bacteria per milliliter. If the concentration triples in 4 days, how long will it take for the concentration to reach 102 comma 000 bacteria per milliliter?

Andrew wants to place grouping symbols in the expression 15 + 25 - 18 : 2 so that it has a value of 18.5. Which shows the correct placing of the grouping symbols? A. (15 + 25) - 18 : 2 B. 15 + (25 - 18 : 2) C. 15 + (25 - 18) : 2 D.

The entrance fee for Mountain World theme park is $15. Visitors purchase additional $2.25 tickets for rides, games, and food. The equation y = 2.25x+15 gives the total cost, Y, to visit the park, including purchasing X tickets.

A movie rental company charges $3 per movie, m, and a monthly fee of $20. What is the equation that represents the cost, C, to rent movies from the company for one month

From greatest to least value order 20% of 100, 20% of 500, 5% of 100