Answer:
D) -31
Step-by-step explanation:
use PEMDAS
3^2-(5 x 2^3)
3^2-(5 x 8)
3^2-40
9-40
-31
Answer:
Step-by-step explanation:
Lisha is making headbands using ribbon.
each one requires 15.5 inches of ribbon
For 12 headbands Lisha need to buy ribbon = 15.5 × 12
= 186 inches
Therefore, Lisha will need to buy 186 inches ribbon.
160 inches ribbon is not sufficient to make 12 headbands. She will need to buy 186 inches or more.
( x + 1) / [ x( x + 1 )] + (2x) / [ x( x + 1 )] = ( 3x + 1 ) / [ x( x + 1 )] ;
Answer:
(x,y) = (1,9)
Step-by-step explanation:
y = x + 8 and y = 5x + 4
lol id i would help if i knew it
