Algebra question for 6th grade.

the product of three times a number and nine

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Which of the following three dimensional figures has a circle as it’s base