Rationalize the denominator of square root of negative 49 over open parentheses 7 minus 2 i close parentheses minus open parentheses 4 plus 9 i. a) -49+2i/-40b)49+21i/58c)77+21i/-2d)- 77+21i/130

The answer is the option d, which is: d)

The explanation for this problem is shown below:

1. Smplify the denominator and rewrite the numerator in this form:

2. Multiply the denominator and the numerator by the conjugated and simplify the expression, as following:

3. As you can see, you obtain the expression shown in the option mentioned above.

570, the answer is 570, hope it

2/4 is the answer

step-by-step explanation:

x= total pieces

both ate 9 pieces

mindy ate 3 so troy ate 6

6= (1/4)x

x =24