Which of the following could NOT cause a change in demand for tennis rackets? Group of answer choices

An increase in the price of tennis balls.

An increase in the number of Americans who play tennis.

A decrease in the cost of production of tennis rackets.

Income decrease as a result of a worldwide recession.

A decrease in the price of racket ball rackets.

Need fast will mark brainliest ^^)based on the work you have completed in this lesson, you are going to create a transcript for a persuasive presentation to convince your client that your design improvement is the best possible solution for their needs. take your client through the different design options you considered for the product design improvement. explain why you discarded the designs that were not the best possible solution. finally, explain why your final product design covers each of the requirements and specifications you used to create your needs statement. your speech must include visual aids that include at least two schematics, or detailed illustrations, of your design. each schematic might show a different angle of your design. or the schematics might show different parts and pieces of the design. if you are unfamiliar with product schematics, find examples by doing an internet search for product schematicsno schematic neededcreate a transcript for a persuasive speech that includes schematics for your design.(just convince people to buy something anything you can think of use your own imagination)

Why does the blending of many different diciplines present both challenges and opportunities to enviromental scientist?

What can you conclude if data from a study agree with the result predicted by the hypothesis? a. the data must contain systematic errors. b. the data show that the hypothesis could be true. c. the data are unrelated to the hypothesis. d. the data prove that the hypothesis is false.