Which equations for the measures of the unknown angles x and y are correct? Check all that apply.
O x = cos
colo
O x= sin)
nila
Oy = sin-" ()
O x = tan-1
y = cos

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9