If i have 5 red marbles 4 blue marbles and 3 yellow marbles what are the probability that if i give one to my friend would be blue

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Which number produces a rationale number when multiplied by 1/5

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?