How many real solutions does each equation have? Enter "0", "1", or "2".

8x2 – 10x + 15 = 0

2x2 – 8x – 1 = 0

–x2 + 12x – 36 = 0

Apple pie is removed from 350 degree oven. temperature of the pie t minutes after being removed id given by the function t(t)=72+268e-0.068t

Average acceleration: i have no idea how to do this.

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.