Therefore the cost of each CD is =$2.30
Step-by-step explanation:
Given , Kairi spent $40 .18 no CDs. The sale tax was $2.33.Kairi also used a coupon for $1.00 0ff his purchase.
Total cost price of The CDs is = $(40+2.33-1.00)
=$41.33
Therefore the cost of each CD is =$(41.33÷18)
=$2.30
Use desmos to find th as t answer
A'(- 4, 3 )
Under a counterclockwise rotation about the origin of 90°
a point (x, y ) → (- y, x )
A(3, 4 ) → A'(- 4, 3 )
A variable is a letter that replaces an unknown number.
