What is the yintercept of the line described by the equation below?
y= 7x + 4

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

Find the percent error of the measurement 4 cm