Answer:
first we multiply 2357 x 8870
which resulted in 20906590
then we multiply the resultant with 7809 then the final answer is
163,259,561,310
THE ANSWER IS..... X1= -6 & X2=0
A) 144/4 = 36 metres per side
b) 18*3 = 54
54+54+18+18= 144 metres
dimensions would be 54 by 18
The Answer is
D) 31
Because 9x+13,
9(2)+13,
18+13,
31