Which of the following is the conjugate of a complex number with 2 as the real part and −4i as the imaginary part? (6 points) 2 − 4i
2 + 4i
−4i − 2
4i − 2

Math each whole number with a rational,exponential expression

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Maddie's rectangular kitchen has an area of 10 square yards and a length of 3 3/4 yards.how many yards wide is maddie's kitchen?