If I have a 100% in my class and I made a 45% out of a 100% on a test what will my grade be?

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

What is the value of x in the equation 2(x-4) = 4(2x + 1)?