Mira picked two numbers from a bowl. the difference of the two numbers was 4, and the sum of one-half of each number was 18. the system that represents mira’s numbers is below. 1/2x – 1/2y = 4 x + y = 18 which two numbers did mira pick?
a (10, 8) b (18, 4)c (20, 16)d (40, 32)

Ineed mega george is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

What is (28 + 7 + 6 + 3) x 1/2 show your work

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?