Solve the problem.The formula P = 0.66×2 – 0.048x + 3 models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 26.472 thousand fish?

Solve and check the equation.4(2y – 5) = 7(y + 4) 1.

Solve the inequality and graph the solution set.2x + 9 < 15

Solve the inequality and graph the solution set.12x – 9 ≥ 11x + 1

Factor the trinomial, or state that the trinomial is prime. Check your factorization using FOIL multiplication.x2 – 10x + 21

Solve the inequality and graph the solution set.4x + 3 < 11

Solve the quadratic equation by factoring.x2 + 5x – 66 = 0

Solve the problem.The formula P = 0.68×2 – 0.048x + 1 models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 33.984 thousand fish?

Solve the problem.A recipe calls for 4 ounces of unsweetened chocolate for 6 brownies. How much of unsweetened chocolate is needed to make 16 brownies?

Graph the set of real numbers on a number line.{x|x ≤ 2}