What is the independent variable shown on this graph? both are only temp is the slope of the trend line not enough info

Only temperature

Explanation:

The information provided in a graph is flow rate and temperature. This graph is flow rate verses temperature. Temperature is plotted on x- axis and flow rate on y axis.

According to rules for plotting  a graph:

Thus, here flow rate changes according to change in temperature. So, temperature is independent variable and flow rate is dependent variable.

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

total distance/total time

(85 + 82)/(5+3)

167/8

20 just over