Answer:
Notice how the 3 is put into fraction form 3/1. This allows you to multiply numerators for the product numerator and denominators for the product denominator.
Step-by-step explanation:
The solution for the first one is 1
The solution for the second one is (2,-6)
I'm not really sure about the third one.
Answer:
0
Step-by-step explanation:
21(3) +2(7) - 11(7) because the absolute value of -11 is 11
63+14-77
=0
First you find the circumference... 2pi*r... and then you multiply that by 2.125. To find out the total amount of meters that the man walks!