Answer:
2(xm) = 8
Step-by-step explanation:
just a guess!
Negative multiplied by a negative is positive
8 multiplied by 2 is 16
x mutiplied by x is equal to x square
combine them all up and you get ......

is the answer :-)
Fundamental principle of counting
Answer:
63°
Step-by-step explanation:
TSU = 180 - 117 = 63
No because 3 time 4 is 12 and 5 minus 12 does not equal -3