Mis directly proportional to r^3 when r=4 ,m=160 .work out the value of m when r=2

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.