Which expression has a negative value? 2+12

O (-3)(-8)

O 10-(-18)

O -35-5

Please hur

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)