Factor over the complex numbers, if possible:

x^2+2xyi-y^2

Graph the relation { (5, 0), (0, 5), (5, 1), (1, 5) }. Is it a function? Why or why not? A. No, it does not pass the horizontal-line test. B. Yes, it passes the vertical-line test. C. Yes, it passes the horizontal-line test. D.

Determine the number of girls in a math class with 91 students, if there are 180 girls for every 184 boys? Explain how you got answer

Glenda bought a new car with monthly payments of $357. Glenda manages to make her monthly car payments each month, but fails to perform the routine maintenance, like regular oil changes, because of the cost.

What is the product of - 2 1/4 and 4 1/2

A triangle has side lengths 14,48, and 50 is it an acute angle an obtuse angle a right angle or no solution.

In the XYZ contest, a school may enter 1, 2, 3 or at most 4 teams. Suppose 247 teams are entered in the XYZ contest. What is the smallest number of schools that could have entered the XYZ contest?

Is the number 5 prime composite, nethieror prime

At a basketball game, a vender sold a combined total of 225 sodas and hot dogs. The number of sodas sold was 49 more than the number of hot dogs sold. Find the number of sodas sold and the number of hot dogs sold

Is 2/8 greater than 8/12

A student gently drops a ball from different heights and measures the time it takes to fall to the ground. Which statement BEST describes why the investigation is an experimental study? A) The student does not use a control group.