Rry has $20 to spend at the store. he plans to purchase five items that cost $5.79, $7.63, $3.46, $2.99, and $3.65. larry estimated his total cost  to make sure he has enough money for his purchases. is his estimate accurate? explain why or why not. $5 + $7 + $3 + $2 + $3 = $20

If m 17 27 90 63 ** picture is attached

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?