Answer:
Step-by-step explanation:
A variable is a number that is not known yet. It is usually represented by a letter.
A. 13 - x = 9......the variable here is x
B. ? + 7 = 12.....not 100% sure on this one, but the question mark is in place of an unknown number...so I guess this can be used for a variable.
C and D do not contain any variables
I believe the answer is A
C because the least common factor is two and 16 dived by 2 is 8
Answer:
The area for the selected triangle is 96 units²
Step-by-step explanation:
We are able to answer this using the area of triangle formula
B x H = A
16 x 12 = 96
I believe jill, please tell me if im wrong