3.because I found it. hahaha
-3 • (5x + 2y = 7)
-15x - 6y = -21
-2x + 6y = 9
__________
-17x = -12
x = 12/17
5(12/17) + 2y = 7
2y = 7 - 60/17
2y = 3.47
y = 1.735
Since x=8/3 is a vertical line,the slope is undefined,
Start with adding the feet: 6+4+5=15
then add the inches: 5+6+7=18
18 inches= 1 foot and 6 inches
So its 16 feet and 6 inches
Answer:
-1/4
Step-by-step explanation: