Answer:
14x+21
Step-by-step explanation:
7*2x=14x
7*3=21
14x+21
hope this helps :9
The first step is to multiply the fraction by (3 +3i) / (3 +3i) to delete the i terms from the denominator:

It is 3/12 and when you reduce it, it become 1/4
Answer:
The answer is C
Step-by-step explanation:
Multiply all of the values by 2 and then you end up with the bigger triangle.
The distance from San Francisco to New York is 4140 km. Since the question asks how long it took the Humphrey family in km/hr (kilometers per hour), you would just divide 4140km by 6.
Why? Because it took them 6 hours to make a trip of 4140 km. Dividing 4140 by 6 gives you the distance they traveled per hour.
690 km/hr