Answer:
Step-by-step explanation:
if u is an irrational number added to a rational number (sqrt 15) to yield 2, then that would mean u would = root -1.78.....
which means you wouldn't have a real solution. if you want a complex answer, it would be sqrt(1.78)i

The 2nd choice is appropriate.
Answer:
Step-by-step explanation:
1:4
1:2
5:1
Answer:
It is 118°
Step-by-step explanation:
because these are corresponding angles.
24 divided by 1.5 equals 16
Taro has 16 marbles