Which expression is equivalent to 20? A. 4 X (3 + 8) – 6
B. 4 x 3 + 8 - 6
C. 4 X (3 + 8 – 6)
D. (4 X 3) + (8 – 6)

C. 4 X (3 + 8 – 6)

Step-by-step explanation:

3 + 8 = 11

11 - 6 = 5

5 x 4 = 20

C

Step-by-step explanation:

A

4x(3+8)-6

4х11-6

44-6

38-no

B

4x3+8-6

12+2

14-no

C

4х(3+8-6)

4х5

20-yes

D

(4x3)+(8-6)

12+2

14-no

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: