First convert 7.5 meters to 750cm, then use your formula A=1/2bh and pop it in your calculator: (1/2)(750)(6) and be sure to include cm as the unit of measurement in your final answer.
The total price she paid for the shirt was $27.03
The original angle id 90 degrees so subtract the 45 degrees.
Answer: 45 degrees
$2.19 is the rate of change
