Find the difference. 7 1/2 - 6 3/10

A. 13 4/5
B. 1 1/4
C. 1 1/5
D. 1 1/10

Please make sure your answer is 99.9% correct

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

What is the radius of the cone in the diagram? round your answer to the nearest whole number