Find all the roots of the equation x4 - 2x3 + 14x2 - 18x + 45 = 0 given that 1 + 2i is one of its roots.

In Mr. Xang's French class, there are thirty-eight male students and forty-two female students. Which of the following expresses the ratio of female students to male students in simplest form? A. 38:42 B. 21:19 C. 19:21 D. 42:38

If h (x) = (x-2) ^2, find h (x+1)

What is the slope of the line perpendicular to the line 4x-3y+12=0?

Tara's car accelerated from 10 miles per hour to 60 miles per hour in 12 seconds

Stan's Savin account has a balance of $2257. After 5 years, what will the amount of interest be at 10% compounded quarterly?

Adam's goal is to practice piano for 200 minutes every week. Which practice schedule would allow him to meet his goal?

Ray pay $812 to rent music equipment that costs $28 per hour. How many hours did he have the equipment?

What's the slope for the density of water?

In a sample of 88 children selected randomly from one town, it is found that 8 of them suffer from asthma. find the p-value for a test to reject the claim that the proportion of all children in the town who suffer from asthma is equal to 11%.

What are the solutions to the equation 0=x^2-x-6? X=-3 X=-2 X=0 X=2 X=3