on their first three plays, the number of yards gained by a football team was -4, -7, and 2. find the total change in yards on these tree plays.​

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

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.

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form