I think it is B but im honestly unsure.
Answer:
natural number belongs to set N
integer belongs to set Z
rational number belongs to set Q
I don’t know if this is right but the way I did it I got 7.5
<span>30 is 100 times as great as .3</span>
Answer:
<h2>y = 75 + 0.3x</h2>
Step-by-step explanation:
y = cost
75 is a constant - He will always have to pay $75.
0.3 = 0.30 per minute
x = number of minutes
y = 75 + 0.3x