Write the equation of the line in slope-intercept form using y=mx+b​

Measures of the angle of r, 31 s (x+4) t (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?