Ipf(x) = -5x + 1 and g(x) = x}, what is (g° f)(0)

Given the following similar triangles what is the area of triangle b ? a) 1 b)1.8 c)3.2 d)5

Arrange these numbers from least to greatest 3/5 5/7 2/9

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.