Fred’s resting heart rate is 50 bpm every minute he exercises his heart rate increases by 5 bpm how long will it take them to reach the heart rate of 120 bpm

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.