Question

Juan got a new helicopter for Christmas and the time it takes to ascend to certain heights is shown above. His sister, Marla, believes that the helicopter is rising at a height of 25 feet/second. Is she correct? If not, why not? Use complete sentences.
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Bryan's Bakery kept track of their March and April sales of all of their bakery products and noticed there was a definite relationship between the two. Based on the graph, if 50 Lipsmacking Butter Biscuits were sold in the month of April, how many were sold in the month of March?
(2nd Graph is Bryan's Bakery.)

Answer 1

Well for the first one, 
You have to find out if it is at 25 ft at one second, but since you can't you find the next best thing, find 25 feet then see how many seconds it is at.

For the second one you would have to find where they directly meet, I chose 40 and 20
40 April Sales = 20 March Sales
So this means that for every March sale you would have 2 April sales. 40/20 = 2