15/7 divides by 42/7 equals 357/1000 or .357
She would have 20 dollars left over. take the amount of money she has then add up all of the cost of the stuff she will buy then subtract.
Answer:
1.25b
Step by step explanation:
9514 1404 393
Answer:
25 (ft/s)
Step-by-step explanation:
The "rate of change" is taken to mean the "rise" divided by the "run". Here, adjacent points differ in their y-value by 25 ft and their x-value by 1 second.
The rate of change is ...
rise/run = (25 ft)/(1 second) = 25 ft/second
Usually, we're just interested in the numerical value: 25.
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<em>Additional comment</em>
The graph is mis-labeled. It is not showing "rate of ascent." It is showing height as a function of time. The "rate of ascent" is the <em>slope</em> of the line on the graph, not its <em>value</em>.
The answer to your question would be 150 (c)