Simplify (7-5i) (-3+9i) - (5+6i) ^2

So an athlete trains on a circular track of radius 40m and jogs 10 laps each day 5 days a week. how far dose he jog each week?

Mr. Green reviewed the attendance record for school basketball games so far this season. Game Attendance 92 95 97 96 90 What is the mean of the attendance at basketball games so far this season?

The radius of a circle is 5 inches. What is the length of a 90° arc? 90° r=5 in

A truck travels at the rate of 80 kilometers per hour. how much distance will it travel in 30 minutes?

Pascal wanted the area Of the floor to be 36 square Feet and the width still to be 1/4

This season, the probability that the Yankees will win a game is 0.59 and the probability that the Yankees will score 5 or more runs in a game is 0.45. The probability that the Yankees lose and score fewer than 5 runs is 0.33.

In a high school the ratio of make to female is 8:5, when 400 senior males are removed and 300 senior females are removed, the ratio is 8:3. the number of students in the whole school is?

The 5th graders were given sandwiches for lunch during their field trip. Nathan at 5/6 of his sandwich, Leroy ate 7/8 of his sandwich, and Sofia ate 5/8. Who ate the greatest amount of their sandwich?

7. A rectangular play area is to be bounded by 120 m of fencing. Determine the maximum area and the dimensions of this rectangle.

A stray dog ate 13 of your muffins. that was 3/10 of all of them. with how many did you start with