identifiy an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

How do you find the area of a triangle

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?