Solve the equation algebraically. round to the nearest tenth. 11=-16x^2+32x+3

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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.

Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36