Plz help me with this on delta math

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !