Answer:
Down Below .
Step-by-step explanation:
A. Nickel and Copper.
B. The average temp is 1034.8575. I got that by adding all the temps then dividing it by 4
A=2b
a+b=87
a=4x-2
a=87-2x+1
4x-2=88-2x
6x=90
x=15
b=29
a=58
Answer:
17 km/h
Step-by-step explanation:
52:3=17.3≈17 km/hour