Find (x - 6)2 a. x2 + 12x + 36 b. x2 - 12x + 36 c. x2 + 6x + 36 s. x2 - 6x + 36

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Which of the following vectors are orthogonal to (2,1)? check all that apply