Answer:
20
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Simplify
=
=
×
= 2
Thus
6
+ 8
= 6(2
) + 8
= 12
+ 8
= 20
Total students = 15+21=36, so the probability of choosing a girl is 21/36, which reduces to 7/12.
Total freshmen = 12+15=27, so the probability of choosing a freshman is 27/36, which reduces to 3/4.
Answer:
8.94 inches
Step-by-step explanation:
Solve for hypotenuse.
$13.73 weekly
54.92 / 4 = 13.73