Which equation has NO solution?

Q:
A:
A)
10x + 5
2
= 3x + 6
B)
16x + 11
4
= 4x + 5
C)
8 − 6x
4
= 4 + 2x
D)
18x − 10
2
= 9x − 5

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

What is the absolute value of the complex number -4- 2 v14 3.15 14 18