2i(4+5i)(4-5i)/4+i find the quotient and express it in its simplest form
a; 82/16+32/17i

b: 82/17+328/17i

c: 82/16-308/16i

d: 1/3+11/3i

What is the result of adding the system of equations? 2x+y=4 3x-y=6

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

What else equals 42 and 30 for multiply