Through p(1,6) and perpendicular to y = 1/3x - 9

Which math sentence can be used to determine if the triangle is a right triangle?

Write the expression as a single natural logarithm. 2 in a - 4 in y

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?