Answer:
r - 12 = 74
Step-by-step explanation:
The difference between his height with 12 would signify subtraction with 12, and that difference is 74. Meaning, his height, minus 12, would equal 74.
C. $34.50. A car gets 30 miles per gallon, if the gasoline cost $1.15 per gallon, a 900 miles trip will cost $34.50
This exercise can be solved by simply arithmetic.
Divide the total miles by the miles per gallon:
900/30 = 30
Then, multiply this value by the cost per gallon:
30 x $1.15 = $34.50
Answer:
wheres the problem?
Step-by-step explanation:
<span>(3x + 5)(x - 3) = 3x</span>² - 9x + 5x - 15 = 3x² - 4x - 15
Answer: 3x² - 4x - 15
