4. in the adjoining figure, abcd is a
parallelogram in which la = 60°. if the
bisectors of za and b meet dc at p,
prove that (i) zapb = 90°, (ii) ad = dp and
pb = pc = bc, (iii) dc = 2ad.

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1