Simplify the expression (3 + 7i)(3 − 7i).
a. 40
b. 58
c. 9 − 21i
d. 9 + 21i

Find the sum of the following series. round to the nearest hundredth if necessary.

You purchase a new car for $17,000 and are able to acquire a loan because of your excellent credit score. how much is the total interest and insurance per month if you use the whome insurance company from question 3 for your insurance coverage and don't qualify for the safe driver discount? credit apr (%) excellent 5.90 good 6.35 average 6.85 fair 7.40 poor 8.15 (1 point) $95.39 $150.52 $142.64 $162.33

Find the value of x for which the lines are parallel.