Please help with questions A

Sunland, Inc., has collected the following information on its cost of electricity Machine Hours Total Electricity Costs $230 January 500 February 540 $290 March 370 $190 April 440 $210 May 650 $280 June 690 $320 310 $180 July August 540 $270 September 240 $100 October 730 $320 Question 2 of 13