Answer:
Step-by-step explanation:
If Amy started with 28 dollars and bought 7 pens, then had 20.30 dollars, we can subtract to find the price of all 7 pens.
28-20.30=7.70 dollars
now to find the amount for EACH pen, we divide by 7
7.70/7=1.1
each pen costed Amy 1 dollar and 10 cents with tax
Answer:
7.28 units
Step-by-step explanation:
Using the Pythagorean theorem, 
, we get:
≈ 7.28
The answer is C
survey an equal number of boys and girls
The first step is to divide by four to both sides
Answer:
i think it is the multiplicative identiy property
Step-by-step explanation:
