If sinx+sin²x = 1 then the value
of cos^2x is.

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 shows a reasonable estimation for 124% of 42 using the distributive property?

Which rotation about its center will carry a regular hexagon onto itself