Answer:

Step-by-step explanation:
Distribute the 5 into the parentheses (multiply them both by 5)

Subtract the 6.5 from -25.

Divide -31.5 by 15.5.

Answer:
the number of cars washed per person is not the same for each number of workers, so the relationship is not proportionalStep-by-step explanation:
It would be 400+700h=1800
Answer:
Predicted value YHat is a symbol used to represent the predicted equation for a line of best fit in a linear regression. The equation usually take the form of 'a' as the y- intercept and 'b' as the slope of the graph. It is calculated from estimated regression equations for the line of best fit.
While outcome of experiment is the total of all possible results from an experiment.
Step-by-step explanation:
Answer: -12.81% decrease
Step-by-step explanation:
1678-1463/1463 * 100 = -12.8128