What is the perimeter of a rectangle with a length of 6 4/5 inches and a width of 2 2/3 inches?

a. 16 11/15
inches

b. 18 14/15
inches

c. 8 3/8
inches

d. 9 7/15
inches

Can someone me do math because i am having a breakdown rn because i don’t get it

What is the value of f(x) = 2.2 for f(-2)?

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18