Answer:
2) is addition property
3) is multiplication property
Step-by-step explanation:
21x-9+63=180
21x+54=180
21x=126
x=6
The markup is the percent of the original price that it is increased by. To determine the percentage marked up, you will subtract the new price and the original price, and then divide that by the original price.
200-125=$75
75/200=0.375 or 37.5% markup.
Answer:
The slope represents the cost per gallon for heating oil while the y-intercept represents the fee for heating oil.
Answer:
38.47 m2
Step-by-step explanation:
Area = 3.5 x 3.5 x 3.14
Area = 12.25 x 3.14
Area = 38.465 --> 38.47m2
Hope that helps!