Please Help Asap! Geometry is killing me this year

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Thirteen bowlers were asked what their score was on their last game. the scores are shown below 190,150,154,194,181,190,170,151,170,178,161,180 find the range of the bowlers score a.56 b.44 c.34 d.23

The average car sold from dealership a is 25,700. if the salesperson receives 1.5% commission on the price of the car, how much commission is made on a average per car sold