Chelsie saves 1/5 of her allowance and spends 2/3 of her allowance at the mall. what fraction of her allowance remains? explain.

(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.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

What is r i 4.5+10r=-6.5 with work pls