Answer:
A) y = x^2 -1
B) -y = 2x^2 +1 We multiply B) by -1
B) y = -2x^2 -1
We can then say x^2 -1 = -2x^2 -1
3 x^2 = 0
x = 0
************* Double-Check: ******************
Equation A) y = -1 and
Equation B) y = -1
Step-by-step explanation:
Not sure but you can figure it out.
One inch of board is left
if you subtract the two 3 inches pieces from the board
the further subtract the 24 inches from the three 8 inches pieces you get 31-30
Answer:
B) Going to the close store is cheaper.
Step-by-step explanation:
Cost of going to the next town:
(8.3mi/22mi) × $3.79 = $1.43
Cost of going to the close store:
(2.3mi/22mi) × $3.79 = $0.40