Richard goes to the electronic store. he buys two memory cards that cost $8.99 each and three packages of batteries that are on sale for $7.49 each. he also buys a case for his cell phone for $2.99 and a wireless headset for $29.99. what is the total cost of richard's items, before sales tax?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?

Need same math paper but the back now i hope your able to read it cleary i need with hw