At the end of 1999, candace had 47 cds in her music collection. at the end of 2002, she had 134 cds. find the rate of change in the number of cds in candace's collection between 1999 and 2002.

What two consecutive odd integers have a sum of -28

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?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.