10 because 30 divided by 10 equals 3 and 50 divided by 10 equals 5 and 3 and 5 only have a GCF of 1 so 10 is your answer

**Answer:**

Interquartile Range = 34

Range = 55

**Step-by-step explanation:**

Max - Min = Range

75 - 20 = 55

Quartile 3 - Quartile 1 = IQR

68 - 34 = 34

**Answer:**

f'(x) =

**Step-by-step explanation:**

f(x) =

use quotient rule

f'(x) =

f'(x) =

6 multiplied by 4 is 24 feet. Then convert it to meters by multiplying .3048 by 24 which means the answer is 7.3152 meters

**Answer:**

$336

**Step-by-step explanation:**

1 chair = $168

168*2=336

So 2 chairs = $336