Which of the following is the conjugate of a complex number with -4 as the real part and 2i as the imaginary part?
a.) 2i-4
b.) 4-2i
c.) 2i+4
d.) -4-2i

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

What is the value of x in the following equation. -x ^3/2 = -27