Factor 20x2 + 25x – 12x – 15 by grouping

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)