Help me find the formula for this pls

q-10=6(r+1) h(r)=
In terms of r.

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

How can you find the mean absolute deviation (mad) for this set of data?