Which expression has a value that is equivalent to the given expression when n = 8? 2n + 10 3n 2(n + 5) n² + 5 10n + 2

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

How many solutions does the nonlinear system of equations graphed below have?

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given