1.A
salesperson earns a salary of $800 per month plus 2% of the sales.
Which inequality represents the total sales if the salesperson is to
have a monthly income of at least $1600?

A.x≤$44000

B.x≥$44000

C.x≤$36000

D.x≥$32000

2.The expression 0.01E+0.003E^2 gives the thickness in millimeters (mm) of the insulation needed for a high voltage cable. is the number of kilovolts carried by the cable. What thickness of insulation material is needed for 7 kilovolt cable?