Answer:
35 ways
Step-by-step explanation:
Seven juniors to choose three from
7 C 3 = 7! / ( 4! 3!) = 35
Answer:4
Step-by-step explanation: 12 elves have to check 48 stack
So 1 elf will have to check 48/ 12 = 4
Answer:
I am not sure how your figure is, but I am using one of mine figure.
<1 is corresponding with <5.
<2 is corresponding with <6.
<3 is corresponding with <7.
<4 is a corresponding angle with the given angle.
<5 and <7 are vertical to the given angle.
<6 is a supplementary to the given angle.
I am not sure if answer is right, but hopw this helps, thank you :) !!