Which of the following sets are discrete? check all that apply
a. {4, 7, 10, 12, 13}
b. (1, 8)
c. {2, 4, 6, 8, }
d. [25, 60)
e. {-9, 9}

26

step-by-step explanation:

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

4

step-by-step explanation:

im pretty sure it's 4 beacsue 8/2 equals 4

for the free

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