James decided to share his rock collection with his friends. He gave 13 to George, 18 to Sharon, and 15 to Mark. He had 32 left. How many rocks did he have to start with?

80

step-by-step explanation:

a 90 degree rotation across the the origin followed by a reflection across the x-axis.

step-by-step explanation:

hello there,

to convert kg to pounds and ounces you set up

turn the kg into

8.3/x = 1/2.2

x = 18.26

now convert the pounds into

18.26/x = 1/16

x = 292.16

now that is the answer in ounces.

answer: 18.26 lb; 292.16 oz

hope i

-char