Average temperature = (12 - 8 + 3 + 6 - 15) / 5 = -2/5 = -0.4
Answer:

<h2>d. 1 is the right answer.</h2>
Answer:
f(4)=-2
Step-by-step explanation:
f(4)=-4+2=-2
Answer:
y=17/5 ,x= 38
Step-by-step explanation:
-4+5y =13 add 4 both side
4-4+5y=13+4
5y=17
5y/5=17/5 y=17/5
x-5y=21
x-5(17/5)=21
x-17=21
x=21+17= 38
Answer:
vertical angles
Step-by-step explanation: