Which equation can be solved by using this system of equations? y = 3x^3 - 7x^2 + 5 y = 7x^4 + 2x a.) 3x^3 - 7x^2 +5 = 0 b.) 3x^3 - 7x^2 + 5 = 7x^4 +2x c.) 7x^4 +2x = 0 d.) 7x^4 +3x^3 -7x^2 +2x + 5 = 0

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?