what is the y-coordinate of the y-intercept of the line that passes through the points (-4,-4) and (4,8)

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

For which pair of functions is (gof)(a)=|a|-2?

Which of the following is true for the relation f(x)=2x^2+1