Help pls… 88points 1. Find the difference:
(10y2 + 22y + 18) - (7y2 + 19y + 7)
2. The length of a rectangle is 3 inches longer than
twice its width w. Write a polynomial
expression in standard form in terms of w
for the area of the rectangle.
3. Find the area of the rectangle in problem #6 when
w = 10.
4. Simplify the expression and write your answer using
positive exponents:
(-3x)2
5. Simplify the expression and write your answer using
positive exponents:
(t-3)6
6. Simplify the expression and write your answer in
scientific notation: (1.4 X 103)3
7. Simplify the expression and write your answer in
scientific notation: (1.9 X 105)3
8. Solve y = -x2 + 5 when x = -2.
9. Solve y = -x2 + 5 when x = -1.
10. Solve y = -x2 + 5 when x = 1.
11. Solve y = -x2 + 5 when x = 2.
12. Solve y = 2x2 + 1 when x = -2.
13. Solve y = 2x2 + 1 when x = -1.
14. Solve y = 2x2 + 1 when x = 1.
15. Solve y = 2x2 + 1 when x = 2.
16. Mitosis is a process in which a cell divides into
2 identical cells. For instance, after the first
division of a cell, there will be 21 = 2 cells,
after the second division there will be 22 = 4
cells, and after the third division there will be
23 = 8 cells. After how many divisions will
there be 64 cells?
17. Write the next three terms of the sequence given: 2, 6, 18, 54, Separate terms using semi-colons (;).

Thx…….