Which of these is not a reasonable fitness goal?
a. i want to exercise for 3 hours every day.
b. i want to exercise for 30 minutes, five days a week.
c. i want to be able to do 50 sit-ups in a row by next month.
d. i want to be able to run 1 mile in 12 minutes.

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages

Derive the formula 2as=v² -u² where the formula have have usual meanings