Answer:
a
Step-by-step explanation:
1) <span>B)3x+6y=22
6x+12y=44
because the equations are equivalent to each other
2*(3x+6y=22) -----> 6x+12y=44
2) </span><span>5x+10y=15 should be multiplied by -2, to get 5x*(-2)=-10x, and x then can be eliminated
</span><span>A)-2</span>
Answer:
8
Step-by-step explanation:
11/22= 0.5 multiply 16 and 0.5 and you get 8
Speed=distance/time
speed=37.5/3
=12.5 m/s
