age of sonu is 4 times than that of his son. after 20 years his age will be two times his son. Find the ages of father and of his son??​

(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.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square