Evaluate the expression for a=-1 and b=5. Show your work
5a-7b+b^2

What is the slope of the line that contains the points (-2,1) and (0,-3)

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

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.