is an expression. And an expression is like an equation except that it has no "sides". Expression is something after being solved gives the answer. An equation on the other hand, shows something being equal to something else.
You just have to go 7x28=[7x20]+[7x8]=196
Do you need to show your work? the answer is 114.25
Its DBC, cause two is in that point so you just find the answer choice with those three letters in the right order.
The answer is Isosceles triangle
