Choose the correct proportions.

4, 5, 20, 1

a) 1:4 = 5:20
b) 1:5 = 4:20
c) 4:20 = 5:1

What is the measure of x, in degrees

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.