Which expressions represent a difference in squares? select each correct a. k^2+81 b. t^2-4 c. 9x^2-100 d. 8x^2-20 e. 4a^2-36

Find the multiplicative inverse of 8-12i

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

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 !