Answer: a. 45 = k
b. d/t = 45
c. d = 45t
<u>Step-by-step explanation:</u>
The constant of proportionality (k) equals y divided by x if it is a direct variation. In the given problem, y is represented by distance (d) and x is represented by time (t).

There is no relationship between the number of hours cycled and the number of hours worked (Option D).
<h3>What is a scatterplot?</h3>
A scatterplot is a graph that is used to show the association between two variables. The relationship between the variables is shown by the use of line of best fit.
From the scatterplot shown, we can conclude that there is no relationship between the number of hours cycled and the number of hours worked (Option D).
Learn more about scatterplot:brainly.com/question/25280625
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Answer:
(0,5)
Step-by-step explanation:
you are moving 0.5 units
Chrystelle bought 2/3 pound of ham. (given)
She bought 3/5 * 2/3 = 2/5 pound of cheese.
The cheese cost 4.95 per pound, so she paid 2/5*4.95 = 1.98 for the cheese.
The ham cost 5/3 * 4.95 = 8.25 per pound, so she paid 2/3*8.25 = 5.50 for the ham.
Her total purchase was 1.98 +5.50 = 7.48 for the ham and cheese.
Selections B, C, E are correct.