Write two different linear expressions that are equivalent (both expressions should be equal but not look the same and include at least one variable) and explain why they are equivalent. I'll give brainliest <3

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?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.