Which phrases describe the expression x - 21? 1. 21 less than a number
2.Subtract a number from 21
3.Kayla had x cards and lost 21.
4.Kayla lost x cards of the 21 she had.
5.The difference between a number and 21.

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.

loloo

step-by-step explanation:

lololool

6

step-by-step explanation:

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock