If the absolute value of a nonzero real number is equal to the opposite of the number, the number is positive negative zero irrational

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

Which value is not a solution of 8x^3 – 1 = 0

Are the corresponding angles congruent? explain why or why not.