7 A metal pipe is 66 cm long. The inner diameter of a cross section is 3 cm, the outer diameter being
3.3 cm. Find its
(i) Inner curved surface area
(ii) Outer curved surface area
(iii) Total surface area

i need more info. are you looked to see there mph? how much they deliver? how far they go?

step-by-step explanation:

on a coordinate grid, point a is at (−4.0, −2.4) and point b is at (4.0, −2.4). point b is a reflection of point a across the –axis. input either a lowercase x or i think is the right awnser

step-by-step explanation:

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72