Which of the following equations have two complex solutions? Select all that apply
3x²+5x + 10 = 0
10x²– 10 = 0
-4x² + 5x = -7
x²+ 15x + 2 = 0
9x² + 5x = 0
2x² + 12 = -9x

yes

step-by-step explanation:

give me the question

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3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.

answer: the answer is e

step-by-step explanation:

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.