The mean grade on the last

Geometry test was 78. If Kate

scored a 90 and her z-score

was 2.5, find the standard

deviation for the test.

How many different outcome pairs are possible for rolling a 12 sided dice in a 20 sided dice at the same time?

In the table, x represents the age in years of a collectible baseball card, and y represents its value in dollars. Cost of a Pack of Baseball Cards Age in years, X Value in dollars, y 5 0.75 10 5.75 15 10.75 20 15.

Show that parallelogram with its diagonals intersecting at 90° is rhombus.

Calculate the range from these number: -9, - 5, - 1, 1, 3, 3, 3, 5

A quadrilateral with two sets of parallel lines is

Solve this: 20x + - 16x + 4x - - 10x + - 7x = 11 This is solving two step equations with like terms.

The expression 1/2 times (4+8) represent the number of hours Mrs nakos work that last week of school. evaluate the expression to find the number of hours she works that week

Maria spent $28.68 on one pair of jeans and two T-shirts. The jeans cost $16.49. Each T-shirt cost the same amount. The sales tax was $1.62. How much did each T-shirt cost?

Best defines the two quantities that are measured to find the call rate of a phone company? A quantity of price measured in dollars depends on the quantity of time measured in minutes, B the quantity of time measured in minutes depends on the

What could the dimensions of a rectangle with an area of 48 inches be?