Kyle wants to put fencing around his rectangular shaped yard. the length is 12.5 feet and the width is 8.4 feet. how much fencing will kyle need?

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.

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6