Define a variable, write an equation, and solve: The length of a rectangle is 4 inches longer than the
width. The area is 60 square inches. What is the width
of the rectangle?

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

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.

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