What is a key purpose of using simulation when comparing two populations?
a) calculating theoretical probability
b) observing how probability works with real items
c) checking the correct test statistics were used
d) finding a precise answer to a question

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.