joan worked 6 hours on monday, 4 hours on wendsday and hours and 8 hours on friday. her gross pay for all 3 days was $130.50. what was her hourly rate

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Can anyone me with 32,33,36,37,and 40.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)