Which of the following statements is a mad goal?
a-i will beat the county wrestling champion in my weight division in my first match.
b-i will dance for 300 hours this month to prepare for the end-of-the-year recital.
c-i will swim the length of the pool five times without taking a breath.
d-i will improve my batting average by two points before the end of the season.

Anyone want to start streaks? im from arkansas add me goldenpanda03

Mary is 14 year old her resting heart rate is 70 beats per minute. calculate 50% of mary's maximum heart rate to fine her target heart rate

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.