What distinguishes an expression from an equation?

Expressions are a group of numbers and variables with no equal sign. An equation is a group of numbers and variables that does include an equal sign. And, you can simplify equations and write expressions and equations.

Step-by-step explanation:

Brainliest please! Visit my church's website at fbcinterlaken.org to learn more about God! It would mean a lot if you could also subscribe to the You Tube channel as well! Thank you and have a nice day! :)

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.

7

step-by-step explanation:

the answer would be 7