Darlene spent 20 minutes jogging and 10 minutes cycling and burned 400 calories . the next day she did 10 minutes of jogging and 20 minutes of cycling and burned 350 calories . how many calories were burned for each minute of jogging and how many for each minute of cycling

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)