although football field appears to be flat, some are actually shaped like a parabola so that rain runs off to both sides. The cross section of a field can be modeled by y=-0.0003x(x-80), where x and y are measured in feet. What is the width and maximum of the field?

Which is an equation for the nth terms of the sequence 12,15,18,21

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?