Music lessons cost $20 per week. How much do 6 weeks of lessons cost? An expression is

The cost is $
Also what is an expression

6 weeks will cost $120

Step-by-step explanation:

Expression: 20x

x represents the amount of weeks

20(6) = 120

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had

area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation: