Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. kevin spins the spinner 180 times. about how many times should kevin land on red or purple?
a. about 18 times
b. about 36 times
c. about 72 times
d. about 1,800 times

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

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Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?