Answer:
(3/2, 6)
Step-by-step explanation:
y = 4x
8x + y = 18
this says y is 4x so you can replace y with 4x
8x + 4x = 18
12x = 18
/12 /12
x = 3/2
now sub x into y = 4(3/2)
y = 12/2
y = 6
0.28$
divide
The median is 9
The Range is 13-5=8
The mean is 5+5+9+11+13/5=43/5=8 3/5=8.6
4.2 x 3.98 = 16.716
6% Sales tax = 1.06
16.716 x 1.06
About 17.72
the answer to your question with roster method is
(-5,-4,-3,-2 and -1)
400
354>=350 and thus is rounded upwards to 400.