Evaluate tan^-1 (-1)

(Is the answer - pi/4?)

How do you solve square roots with fractions

A baker uses square prisms for her cake boxes. Due to the number of layers in her cakes, she needs the height of each box to be 5.5 inches.

What is the value of x in the equation 0.25 (3x-4) - 0.5=2.75 A. 27 B. 15 C. 7 D. 3?

Find the intial amount a and the decay b in the exponential function y=5*.5^x

Clara's suitcase weighs 58 1 4 pounds, but the airline's weight limit for suitcases is 50 pounds. How much weight does she need to remove from her suitcase? pounds and ounces

3. Which of the following is equivalent to 3 (y - 1 + 2y) ? A. 3y - 9 B. 6y - 3 C. 9y - 3 D. 3y - 3

If y various directly with x, write an equation for the direct variations. The find each value. 1.) If y = - 4 when x = 10, find y when x = 5 2.) If y = 12 When x = - 15, find y when x = 2 3.

89 (54x - 36) + 2 = - 3/4 (-40 + 16x) + 90xsolve for x

The ratio of cars to vans in a parking lot is 1 to 4. If there are 40 cars and vans in the parking lot altogether then how many vans are there?

Geoffrey's babysitter stayed from 6:25 P. M. until 10:40 P. M. For how much time does the babysitter need to be paid?