Hello,
I suppose equations are:
x+y=3 (1)
x+2y=9 (2)
(2)-(1)==>y=6
(1)==>x=3-6
x=-3, y=6
Sol={(-3,6)}
Answer:
22 1/4 or 22.25
Step-by-step explanation:
4x + 7 = 92
4x = 85
x = 22 1/4
She will nee 391 square feet of flooring at $13.59: $5313.69
Answer:

Step-by-step explanation:
Put negative exponents in the denominator to make them positive.



