144 is the product of delia’s score of 8. Translate into equation is what?

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?