If x = - 2, y = 5, and z = 3, evaluate the following expression. x^4 - 5y + 2 (x - z) ^2.

A right triangle has one angle that measure 23. The adjacent leg measures 27.6 cm and the hypotenuse measures 30 cm. What is the approximate area of the triangle?

A group of roommates decide to split the cost of a television for their house. If a is the amount spent on the television and n is the number of roommates, the formula C = determines each person's share of the cost. Each person's share was $179.

What would the nearest tenth be to 399?

Factor each expres k. 16 + 4x

Determine whether the ordered pair (8,-5) is a solution to the equation 3x-2y=6

1) There are 80 grams of salt in a 32% solution. Find the weight of the solution 2) how much water should be evaporated from a 300 grams of a 20% salt solution to get a 25% salt solution 3) salt was mixed with pure water in a 1:3 proportion.

Use the binomial series series to expand the function as a power series. 3 / ((6+x) ^3)

There are 5 water birds swimming in a pond. If there are 3 ducks and 2 geese at the pond, what fraction of the birds are geese?

16a-24=8 (2a-3) how do I solve this

Mr. Anson bought 3 student tickets that each cost the same amount and an adult ticket that cost $12. In all, Mr. Anson spent more than $36. Which represents the cost of each student ticket?