On complex numbers
1) what is the reciprocal of 6i
2) what is the additive inverse of -4+5i
3) find the multiplicative inverse of 2+i
4) find the reciprocal of -3+5i
5) find the magnitude of 5-12i

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !

What is the solution to the division problem below x3+x2-11x+4/x+4