Which equation will NOT have a value of x that makes the equation true a- 2.25x+3(6)=11/5x-18
b-10.1x-9=5x-9+5.1x
c-20x-15.2-20x=20x-15.2
d- 13/2x+6=6.5x+26/4

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Can anyone me with 32,33,36,37,and 40.