Estimate the time Juanita will arrive at her aunt's home 320 miles away if she leaves at 9:00 a. m., drives about 60 miles per hour, and stops for a 40 minute break halfway.
A 12:00 p. m.
B. 1:00 p. m.
c. 2:00 p. m.
D. 3:00 p. m.
E. 4:00 p. m.

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Could somebody me with this radical simplification?

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2