Which set of expressions below does not represent equivalent expressions? a. 8(3x + 7) and 8(3x) + 8(7)

b. 3(8x + 7) and 11x + 10

c. 7(3x + 8) and 7 · 3x + 7· 8

d. 3(7x + 8) and 21x + 24

Simplify the expression 10/11(22z) + (a+5) -1

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What is the absolute value of the complex number -4-sqrt2i