Luke rides his bike 20 miles in 4 hours. If he rides at a constant speed, select the answers here that are equivalent ratios to the speed he rides.

A: 30 miles in 7hrs

B: 25 miles in 6 hours

C: 10 miles in 1 hr

D. 15 miles in 3 hrs

Solve for r in the formula S=L-rL where S is the sale price, l is the list price, and r is the discount rate. a. an item with a list of price of $128 goes on sale for $51.20. find the discount rate. b. an item b. with a list price of $56.

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Four more than the quotient of a number and 8 is equal to 6

Para construir uma estrada de 400 km, 50 trabalhadores, gastam 8 horas por dia. quantas horas por dia Devem Trabalhar 80 trabalhadores para Construir uma estrada de 950 km Em 12dias

A brick weighs 2.7 kilograms. If Henry has 12 bricks, what is the total weight of all the bricks?

Order these from greatest to least: 1/8; 0.14; 1/5; 13%

If the rule of the function is "multiply by 2 then add 3" and the input value is - 2, what is the output value

What are all the prime factors of 35

George can wash the windows of his apartment in 40 minutes, and his father can wash them in 60 minutes. How long would it take them to wash the windows together? explain!

A homeowner compared his electric bills from the last four months. In January, his bill was up $30; in March, his bill was down $25; and in April, it was down $16. Which month showed the greatest change in his bill? January March April