If x=3 substitute the value of x into the expression and simplify 3x+6

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?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25