One pound of bananas costs $2 less than 1 pound of pears. together, 6 pounds of bananas and 5 pounds of pears cost $23.20. how much would 4 pounds of pears cost?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763

If a=0.333333 and b=0.55555, what is the value of a+b