Answer:
B-44
Step-by-step explanation:
It is B because it is a square so 12 units would be on both sides. 12*2+10*2
Answer:c
Step-by-step explanation:
1. A, Because you're able to take any point on that plane and use it to name it.
2. b (not really sure how to explain....)
3. not sure.
4. d, since e is under plane p
Answer:

Step-by-step explanation:The simplification
1+1×80+5-23+456×47+56784-2647
=1+80+5−23+(456)(47)+56784−2647
=81+5−23+(456)(47)+56784−2647
=86−23+(456)(47)+56784−2647
=63+(456)(47)+56784−2647
=63+21432+56784−2647
=21495+56784−2647
=78279−2647
=75632
Converting 75632 into standard form 
Answer:
they are directly proportional
so
5/22*7=1.59
he would finish in 1.59 min