El ancho de un rectángulo es 9 cm menor que lo largo . si el área del polígono es de 400 cm cuadrados, hallar sus dimensiones, el largo y el ancho​

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.

Need on this geometry question. explain how you did it.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.