Which of the following illustrate the commutative property? select all that apply

a) 3+4+6=3+6+4
b) 3*(4*6)=(3*4)*6
c) 2-4-5=4-2-5
d) 9*2*7=7*9*2
e)2+3+1=3+1+2
f)5+2-4=5-4+2

Two lines parallel to the same plane are parallel to eachother

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6