The altitude y in feet of a hawk that is descending can be represented by the equation y = -20x + 350, where x represents the time in minutes. The equation y = -10x + 400 represents the altitude y in feet of an eagle after
descending x minutes.
Which bird is closer to the ground after 8 minutes?
The is closer to the ground.
How much closer?
feet.

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent