A small staircase is made so that the horizontal piece of each step 10 inches long and 25 inches wide. Each step is 5 inches above the previous one. What is the surface area of this staircase?

Find the value of 64^1/3

4. Simplify (4-2) (-22)

Time taken by a randomly selected applicant for a mortgage to fill out a certain form has a normal distribution with mean value 8 min and standard deviation 3 min.

There is 200 tickets if 18 where purchased in advanced what percentage where purchased in advanced

The probability that a machine works on a given day is based on whether it was working in the previous day. If the machine was working yesterday, then the probability it will work today is 0.76.

78% of what number is 117?

The coefficients of the expression 2x^3-5x^2+x are:

Tuna provides 30 calories per ounce. On a graph representing the relationship between the number of ounces of tuna a person consumes and the number of calories the tuna provides which quantity should be graphed on the x-axis

You can afford monthly deposits of $190 into an account that pays 2.7% compounded monthly. How long will it be until you have $5,700 to buy a boat? Type the number of months: (Round to the next-higher month if not exact.)

Evaluate - 2a^2 if a = - 5/2 -25 -12 1/2 25 12 1/2