At Ralph’s fruit stand ½ pound of grapes cost 90 cents. You want to buy 5 pounds of grapes. How much will they cost? Explain what you would need to do in order to solve this problem. (OMG please hurry)

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.

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?