A motorboat travels 120 miles in 4 hours going upstream. It travels 192 miles going downstream in the same amount of time. What is the rate of the boat in still water and what is the rate of the current?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?