17. of the following numbers, which one is prime: 14, 13, 21, 33?
a. 14
b.33
c. 21
d. 13

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The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

What is the value of x in the equation7x+2y=48 when y=3