Sam lives 8 miles from work and Mike lives 30 miles from work. How much farther is Mike’s trip to work than Sam’s?
1 answer:
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Answer:
B
Step-by-step explanation:
Noting the following rule of radicals
×
=
Given
( +
)(
-
)
Each term in the second factor is multiplied by each term in the first factor
= (
-
) +
(
-
) ← distribute parenthesis
= -
+
-
