Answer:
The cost of each CD without tax us $16.20
Step-by-step explanation:
Given that:
Price to two CDs with tax = $34.20
Tax = $1.80
Cost of CDs without tax = Total cost - Amount of tax
Cost of CDs without tax = 34.20 - 1.80 = $32.40
Price of each CD = 
Price of each CD = $16.20
Hence,
The cost of each CD without tax us $16.20
i think it is 37/50 in decimal i think 0.74
Rewrite the parabola in standard form and use this formula to find the vertex (h,k).
= (2,-1)