2 qurstions 100 points

1- What is the Molarity of 1.25 moles of NaOH in 250 mL of
water?

2- How do you dilute a 20 mL of a 5Molar solution to 0.5 Molar solution

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Find the zeros of each function. f(x) = x^2 + 5x - 6

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer