Answer:
mean - 12.5
SD - 12.0
Step-by-step explanation:
Answer:
c.
Step-by-step explanation:
hope this helps
Answer:
or 
Step-by-step explanation:
Convert the mixed numbers into improper fractions.

Since the two fractions have the same denominator, just subtract the numerators.

If required, rewrite the fraction in simplest form.

Answer:
80
Step-by-step explanation:
104:52 = 2:1 = 2 pounds per (1) week
40 × 2 = 80
3300 exemption
37,500−3,300=34,200 taxable
Tax rate is
2+3/4=2.75% we don't multiply 2by 3/4
Now calculate the amount of tax
34,200×2.75%=940.5