Please help! Choose an expression that is equivalent to: -(2b^2-b) - (2b^2 + 5b)

A: -4b^2 + 4b

B: -4b^2 + 6b

C: 4b

D: -4b^2 - 4b

Btw: this icon “^” Indicates the number is a square root after the icon

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Which of the following shows the length of the third side, in inches, of the triangle below

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3