What are the prime numbers for 8 an 9

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Select the number of ways in which a line and a circle can intersect

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