Simplify the expression so there is only one positive power for each base. (5^-2 x 4^-4)^-2

a. 5^4 x 4^8

b. 1/5^4 x 4^8

c. 1/5^4 x 4^6

d. 5^4 x 4^6

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

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