Simplify: (-2x - 3) – (3x2 – 8x + 9). Choose the standard form of the answer. A. -3x2 - 6x – 12
B. -3x2 - 9x + 12
C. -3x2 + 6x – 12
D. -3x2 - 6x + 12

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

[tex]5 \times1 \frac{12}{13} [/tex] me

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce