Answer: b
Step-by-step explanation:
four more
+4
twice a number
n2 (we dont know the number and it’s multiplied by 2)
is
=
-10
so
n2 + 4 = -10
Answer:
9x +135
Step-by-step explanation:
9(x + 8) +63 (by PEDMAS distribute 9 into parentheses first)
= x(9) + 8(9) +63
= 9x + 72 + 63
= 9x +135 [ =9(x+15) ]
Answer:
Supplementary
Step-by-step explanation:
Answer: -3, write the division as a fraction, multiply both sides by 2, move constants to the right, then you're left with x=6-9 which is -3
Answer:33.415 through 33.585 Or A
Step-by-step explanation:
You simply take 33.5 and add .085 to 33.5 get your answer.then subtract .085 from 33.5