Answer the following questions. 1. Subtract 2ab from -2ab.
2. Find the sum of the two polynomials: (2x²+3x²-5)+(3x²+7)
3. Find the sum of the two polynomials: (5x²-3)+(8x²-1)
4. Find the difference: (2r²+6r+7)-(3r²+5r+8)
5. Solve: -7x(11x+12)
6. Multiply: -2x³(-2x⁷-7x²)
7. What is the product of -4a²x⁵(-2a⁸x⁶-9x⁴+2a)?
8. Divide:
9. Divide:
10. Divide:

Most animals give birth during a general time of year. this is because animals naturally breed so that their young will be born at the time of year when there will be adequate food supply. the bar graph shows the number of live births of a jackrabbit native to california over the course of year x. based on the data, which of the following would be an appropriate conclusion? a) in general, rabbits give birth during the spring months b) in general, rabbits give birth during the summer months c) in general, m california jackrabbits give birth during the spring months d) in general, california jackrabbits give birth during the summer months

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.