3a plus 7. you group the whole numbers together and than the a's. so 3+4 is 7. 2a + a is 3a.
Their least common multiple is 90 .
90 = 5 x 18
90 = 2 x 45
B.) 85
They are alternate interior angles so they are the same degree.
Answer:
How many hours of sleep do you get per night?
On average, how long does it take you to complete your homework?
What time do you leave for school in the morning?
Step-by-step explanation:
