7) Janelle is planning a birthday party for her sister she bought 5 rolls of streamers and 3 bags of
balloons for $18.50. She realized while decorating that this was not going to be enough, so she went
back to the store and bought 1 roll of streamers and 2 bags of balloons for $6.50. How much do the
streamers cost and how much do the balloons cost?

What is the size of the matrix resulting from

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done