Last year Darlene charged $6 per hour for baby sitting. This year, she charges
$1.50 more than she charged last year,
By what percent did she increase
her fee?
PLEASE HELP ASAP

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Which expression is equivalent to -5(3x - 6/7)

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π