Let a and b be any real numbers. A. Simplify the product of (a + bi)(a – bi).

B. Using your answer from part A, justify what kind of answer always results from multiplying a complex number and its complex conjugate.

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points

Which equation represents h for right triangle abc