Complete the square to solve the equation below.
Check all that apply.
x2 + 8x- 5 = 15

A. x=3
B. x=-2
C. x= -10
D. x= 2

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?