Find the inverse of function f.

f(x)=1/3 - 1/21x

For the equations below which statement is true ?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2