2. find the constants c0, c1 and x1 such that the quadrature formula z 3 0 f(x) dx = c0f(0) + c1f(x1) is exact for polynomials of as high a degree as possible.

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?