A bag contains only red, green, brown and yellow marbles. The probabilities of selecting each colour are shown below.

Colour Red Green Brown Yellow
Probability 0.2 0.3
x
0.2
Find the probability of selecting a brown marble.

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1