(Q11)Find a rational expression for the ratio of the surface area of a cylinder to the volume of a cylinder, where the height is h and the radius is r. Q12) then find the ratio when the radius is 3 and
the height is 10
(Surface area=2rr2 + 2nrh)(Volume=nra)

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?