The answer is B and I am certain
Because 2x5 is 10 and 2xr is 2r
So it’s 10+2r
Answer:
39
Step-by-step explanation:
you need to work backwards
86-2-6=78
therefore, 78 = 2y
y = 2y/2, so 78/2 = 39
Option D is the logical and the right answer
Part A:
Expression

The constants are 15 and 100
The variables are

and

Part B:
Expression

has two terms;

and

. We know this because both have different variables attached to them
Part C:
The term

is the expression for the total earned from her allowance