What's one way we can check our answer to 2 x10 = 20? A. 20 : 10 = 2
B. 2 : 10 = 20
C. 20 x 10 = 2

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?