Have a problem-Solve for x, and show how did you come for it

Step-by-step explanation:

Angles in a triangle add up to 180°

57°+ 4x + 4° + 7x + 9° = 180°

50.6

step-by-step explanation:

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: