Solve the following system of equations.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)