X=15-12
X=3(number of days in difference to the number of people)
X=9-3
X=6 it would take 6 days to cut the grass with 9 boys
Answer:
314 ft²
Step-by-step explanation:
(100 × pi) ft²
100 × 3.14 ft²
314 ft²
ANSWER
The product is

EXPLANATION
To find the product of

and

means we should multiply the two fractions.
We multiply to obtain,


Cancel the common factors:

Now, multiply the numerators separately and the denominators too separately.

This simplifies to,

Answer:A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x² = −1. Because no real number satisfies this equation, i is called an imaginary number.
Step-by-step explanation: