ANSWER:
(-7)^2-4*(-7)
=49+28
=77
Hope it helps u! :)
2mm : 25'
half of the above
1mm : 25'/2 = 12.5'
Step-by-step explanation:
As ANC are collinear,
AB+BC=AC
so,
18+BC = 41
BC = 41-18
BC = 23 is the answer.
Answer:the answer is 3120
Answer:
18
Step-by-step explanation:
when there is a - in front of an expression in parentheses, change the sign of each term in the expression
6+14+(-2)
then calculate the sum or difference
6+14-2= 18
