Answer:
it is unknown because there are no other variables or numbers
Step-by-step explanation:
Answer:
x squared + x + 2
Step-by-step explanation:
no.
Answer:
Step-by-step explanation:
It's -3
Area of a Triangle = 1/2(bh)
A = 1/2(5*3)
A = 15/2
A = 7.5