The quotient of 49 and a number is 7

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

The function models the number of accidents per 50 million miles driven as a function

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.