If a sprinkler waters 1 over 8 of a lawn in 1 over 4 hour, how much time will it take to water the entire lawn? a
3 over 8 hour

b
1 over 2 hour

c
2 hours

d
4 hours

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

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?