Which quadratic equation is equivalent to (x+2)2+5(x+2)-6=0

What does independent variable and dependent variable mean in math?

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.

Use this graph to find the cost of 6 show tickets