Solve this problem by educated guessing. Suppose f is the function that satisifes f′′(x)=−f(x) for all x in its domain, f(0)=0, and f′(0)=1. Then f(x)=?

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

Someone me what is the area of this figure? 18m 18m 8m 16m

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.