CPM Homework Help : CC1 Problem 6-75

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6-75.

Evaluate the expressions below using $r = 3$ and $h = 5$ .

$6 h - 4$

Hint (a):
Copy the expression, substituting a $5$ for the $h$ .
Answer (a):
$6(5) − 4 = 26$

$8r+h$

Hint (b):
Remember that $8r$ means $8$ r’s or $8 × r$ .
Answer (b):
$29$

$r^2$

Hint (c):
Remember that the exponent (the two) means that you will multiply $r$ by itself.

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