Find f(-2) for the function f(x) = -3x³ - x² + 2x - 8
If the sum of three times a number and -5 is multiplied by 6, the answer is 42. Find the number.
The length of a rectangular table cloth is 2 ft more than the width. If the table cloth is w feet wide, express the perimeter as a
function of the width.
If Todd is 10 years older than Jamal, and the sum of their ages is 64. How old is Todd and Jamal?
The area of a square is 60 square inches. What is the length of one side? I’m not allowed round.
Write an equation of a line through the point (-5, -2) that is perpendicular to the x-axis. State the slope of the line.
A newspaper carrier has $4.90 in change. He has five more quarters than dimes, but two times as many nickles as quarters. How many coins of each type does he have?
A rectangle has a length of 15 feet less than 6 times its width. If the area of the rectangle is 561 square feet, find the length of the rectangle.
Find two positive numbers whose difference is 27 and whose product is 2680.
One number is equal to the square of another. Find the numbers if both are positive and their sum is 2450.