The sum of two numbers is 23. One of the numbers squared, plus 15, is equal to the other number. Which system of equations below could be solved to find the two numbers?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

(a) compute the maclaurin polynomial m2(x) for f(x) = cos x. (b) use the polynomial of part (a) to estimate cos π 12. (c) use a calculator to compute the error made using the estimate from part (b) for the value of cos π 12. remember that the error is defined to be the absolute value of the difference between the true value and the estimate.

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?