Line t has a slope of 5/7. line u has a slope of 5/7. are line t and line u parallel or perpendicular?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

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.

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height