1. evaluate 6y^2 if y is -4.

2. evaluate -4xy if x is 4 and y is -5.

3. evaluate 8x^2 if x is 3.

4.simplify 6x^2y + 4xy − 7xy.

5. simplify 4x^2 + 3xy − 7xy + 2y^2.

6. multiply (5x^2)(4x).

7. divide (9x^2) by (3x).

8. divide (12xy) by (4y^2).

9. multiply (5)(4x^2).

10. multiply (3x)(2x^2).

Y=4x^2+x-1 solve using quadratic formula

Multiply. −2x(6 x 4 −7 x 2 +x−5) express the answer in standard form. enter your answer in the box.

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia