How much do $10 pieces of candy cost if 1000 pieces cost $20

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

Write the slope intercept equation for line ab.