520 dollars for 4 train tickets and 3 bus tickets.
Answer:
34+13= 47
Step-by-step explanation:
47-34=13
Answer:
Option D, AP
Step-by-step explanation:
<u>The two sides that are connected by the right angle are called the sides. The longest one that is not connect with a right angle is called the hypotenuse.</u>
<u />
In this case, the sides are AZ and PZ. <em>The hypotenuse is AP</em>
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Answer: Option D, AP
Answer:
2a² + a ( or a(2a+1) )
Step-by-step explanation:
(6a²+3a) - (4a² + 2a) (expand parentheses)
= 6a²+3a - 4a² - 2a (group like terms)
= 6a²- 4a²+3a- 2a
= 2a² + a
= a(2a+1)
