Abathtub contains 15 gallons of water. the circular drain opening of the tub has a radius of 21 mm. what is the approximate circle circumference of the drain opening?

using C=2PIr

C = 2 * 3.14 * 21 = 131.88

 round to 132 mm

Answer is B

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

the answer is 1/4

step-by-step explanation: