Assuming there is a 0.5 probability that a coin will land on heads, what is the probability that flipping a coin will land on heads, then heads, then tails, and then heads again?

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?

There are a total of 75 students in the robotics club and the science club. the science club has 11 more students than the robotics club. how many students are in the science club?

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), find r' if c c' = 0.25 and d = 6.0. a. 6 b. 12 c. 18 d. 24