with a mean of 1050 kWh and a standard deviation of 218 kWh. Find P45, which is the consumption level separating the bottom 45% from the top 55%.

If UW = 6x - 35, find UW

Building A is 150 feet shorter than Building B. The total height of the two buildings is 1490 feet. Find the height of each building. What is the height of Building A?

There are 28 students in a mathematics class. If 1/4 of the students are called to the guidance office, 1/3 of the remaning students are called to the nurse, and, finally, 1/2 of those go to the library. How many students remain in the classroom?

The natural history museum has a 1:75 scale model of an apatosaurus dinosaur. the length of the model is 30 centimeters. find the actual length x (in meters) of an apatosaurus.

Which ordered pairs in the form (x, y) are solutions to the equation 3x-4y=21? Select each correct answer. (-3, 3) (-1, -6) (7, 0) (11, 3)

Which numbers belong to the range of the relation { (0, 7), (6, 0), (-3, - 4), (-4, 7) }? Choose all answers that are correct. A. 7 B. 0 C.-3 D.-4

Write the improper fraction as a mixed number in its simplest form. 96 - 30

You have a coupon of 10% off a DVD that cost $15. If a tax of 8% is charged on the original amount, what will you pay for the DVD

The quotient of the sum of 2 and a number b and 3

Frank measured 56 cm. The actual length was 61 cm. Which expression shows his percent error?