A penny is flipped at the same time that a spinner with 3 colors (blue, red, and yellow) is spun.
a. List all of the possible outcomes in the sample space.
b. Find P(Tails and Red). Write your answer as a fraction, decimal, and percent.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Asap! i'm not good math and i'm lost.