Well the slope is -3 and I'm assuming that the y-intercept is 250 because that's where it touches it at all on the graph
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Answer:
Helen requires 15$ more to buy the three books.
Step-by-step explanation:
We are given the following in the question:
Cost of dictionary = $7
Cost of dinosaur book = $16
Cost of cook book = $17
Helen's allowance = $25
Total cost of three books =

Extra money required to buy three books =

Thus, Helen requires 15$ more to buy the three books.
8z = 64
divide both sides with 8
8z ÷8 = 64÷8
therefore,
z = 8.
yes , because run over rise wont give you a valid answer