The expression which is equivalent to √(-9) is 3i.
<h3>What is Complex number?</h3>
A complex number is the sum of a real number and an imaginary number. A complex number is of the form a + ib and is usually represented by z.
Here, given expression;
y = √(-9)
y = √9 X √(-1)
y = 3√(-1)
y = 3i
Thus, the expression which is equivalent to √(-9) is 3i.
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Answer:
147 
Step-by-step explanation:
7*7*3 = 147
volume of a rectangular prism = length*width*height, in this case, 7*7*3
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8 people prefer pepperoni because 50 people times .16 is 8
Answer:
r-9
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable
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