Consider the weights in kilograms of a group of teen agers. If the standard deviation is 8.7 kg, what is the variance?

Estimate the order of magnitude of the length in meters of each of the following:. a. a ladybug. b. your leg. c. your school building. d. a giraffe. e. a city block

This system has one solution y=8x+9, y=x^2+4x+13. What is the y coordinate

If a person shoots a basketball overhand from a position 8 feet above the floor, then the path of the basketball through the hoop can be modeled by the parabola y = (-16x^2) / (0.434v^2) + 1.

What is the area of this rectangle? 11 units² 18 units² 20 units² 22 units²

A student club has 11 members. How many ways can the club choose a President, Vice President, and Treasurer? 165 990 1,650 330

One side of a triangle is twice another. The third side is 8 inches and the perimeter of 26 inches. How long is each side?

A new sidewalk will be 6 feet wide, 100 feet long, and filled in a debt of 9 inches with concrete. How many cubic yards of concrete are needed?

Zahra compares two wireless data plans Which equation gives the correct value of n the number of GB for which Plans A and B cost the same (G8 means 'gigabytes of data) Wireless Plan A No initiate fee and 8$ for each GB Wireless Plan B $20 for the

Find the output, g, when the input, r, is 3 G=-5r+13 G=

A container in the shape of a rectangular prism holds 651.168 cubic inches when completely filled with water. the container has a length of 12.6 inches and a width of 15.2 inches. what is the height in inches