C) The +10 is because you already have 10 coins, that will not change. The 6x is because with each passing day, the number of coins increase by 6 (x represents days). The equation then turns into y=6x+10
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Answer:
I think 80
Step-by-step explanation:
100/15=6.66666667
12x6.67=80.4
-3x-3x=-24
-6x=-24
x=4
y=3(4)
y=12

This is found by the volume of a cone formula

Where b is the base and h is the height

Answer:
k=45
Step-by-step explanation:
its an isosceles triangle, so k=45
to check it, 45+45+90=180