four red boxes and two black boxes cost $40. Five red boxes cost $20. All red boxes cost the same. All black boxes cost the same. What is the ratio of the cost of a red box to the cost of a black box.

What is the range of the 55 and 10

If you're driving at 25 miles per hour through a school zone and a child runs out in front of you, how much distance will your car cover before stopping?

Solve each equation by using the square roots property round to the nearest hundredth if necessary x^2 + 20x+100=64

Bus and sibway ridership for the summer months in London, England is believed to be tied heavility to the number of tourists visitin g the city. During the past 12 years, the data on the next page have been obtaiend

Simplify the expression - 4 + (-1) - (-3) =

What is the vocab to ... To move a figure in any direction without rotation

a ferris wheel can accommodate 45 people in 20 minutes. how many people could ride the ferris wheel in 4 hours? what was the rate per hour

The product of two consecutive even integers is 10 less than 5 times their sum. Find two integers

What is 4.48 written as a quotient of two integers

Which of the following is NOT true about the Binomial Distribution? a. The average is determined by multiplying the number of trials by the probability of success. b. There are only 2 possible outcomes. c. There are a fixed number of trials. d.