Which uses less electricity in an hour, a blender or a popcorn popper

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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.