For v^n = z, if z = 1, then v is an nth root of unity.

True or False?

Margie takes a random sample of 30 students in her seventh-grade class and finds that 75% of the sample prefers the color blue over the color red. There are 125 students in the seventh grade.

What is the growth factor of the following example? Assume time is measured in the units given. A diamond mine is depleted by 1% per day. a. 1.01 per day c. 0.99 per day b. 0.01 per day d. 99 per day

Find the greatest possible error for each measurement. 18.9 m

Which expression is equivalent to -6 (-2/3+2x) -4 - 12 х -4 + 2 х 4 - 12 х 4+12 х

How do I round 0.33375

The neighborhood census shows that the 10 families in the neighborhood have 2, 4, 3, 2, 2, 1, 3, 4, 1, and 5 children. What would happen to the mean number of children in a family if a family with 4 children were added to the census?

How many water glasses are in a 17oz bottle?

The wheels of a car lock up and it skids 15 m. If it goes 3 times the speed it was going on the same road and under the same conditions, how far will it skid if it's wheels lock up again? A. 26 m b. 45 m c. 90 m d. none of the above

An observer in a lighthouse 350 ft above sea level observes two ships directly offshore. The angle to the shore are 4 and 6.5 degrees.

What number must you add to complete square? x2+10x=8 answers A. 10 B. 15 C. 25 D. 5