Answer:
B) rhombus
Step-by-step explanation:
the tic marks on the lines indicate that they are congruent, not parallel there is no way of knowing for sure that those lines are parallel therefore it is not a parallelogram even though it looks like it
21
We need to follow PEMDAS
15+3*2
We need to multiply first
3*2 = 6
Then we add
15+6
TOP 2, and bottom right