12
since the difference of the first and third value is ten, each value is five more than the previous value
Answer:
Choice B
A = b x h
Step-by-step explanation:
In other words the area of a parallelogram is the base times height
The sum of f and 6 is simply f+6.
It is like this because f is a variable and we do not know its value.
The perimeter of a rectangle is =2 (w+L)
Answer:
84.
Step-by-step explanation:
42
x 2
84
2 x 2 = 4
4 x 2 = 8
= 84
