Given: △ABC, BK=10, AC=30, m∠NMO=90°, MN=MO, BK⊥AC, NO∥AC, M∈AC

Find: NO

Question 5 spring semester final exam math evaluate

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?