Your answer is b ~d and e~f and a~ c
Answer:

Step-by-step explanation:
1) rewrite 60 as it's prime factors.

2) group the smae prime factors into pairs.

3) Rewrite each pair in exponent form.

4) use this role:


5) Simplify.

So, therefor, the answer is option 1.
Answer:
82ibs - 40ibs = 22ibs
Step-by-step explanation:
I think its A!! But im not sure
Answer:
Rectangle
Step-by-step explanation:
Count the units. For the triangle, A=0.5bh. 0.5(4)(6)=A. A=12
Now, for the rectangle, A=bh. A=(3)(5). A=15. The rectangle is larger