PLEASE SOMEONE! THIS IS MATH! I'LL GIVE YOU POINTS AND BRAINLIST IF IT'S CORRECT

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

Will give brainliestbased on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)