Multiply the first equation by -1
-3x-y=-4
2x+y=5
Add them up
-x=1
So x=-1
And y=7
So the first option is correct
1 year=52 weeks
So just multiply it by 56
52*56= 2912 glasses per year
Answer:
662.433221
Step-by-step explanation:
907.07 × 1.09 × 0.67
Answer:
49π
Step-by-step explanation:
πr^2
π*7^2
49π
Answer:
x=3 is the number
Step-by-step explanation:
Suppose number be "x".
Equation will be
7x + x = 24
8x = 24
x = 24/8
x = 3
