How do I graph y=1/2x+7

7x+8y=-18, 4x-9y=-3 solve the system of equations

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation