The height of a triangle is one cm less than twice the base, and the area of the triangle is 60 cm2. Find the height and base of the triangle. Please help, this is urgent!!

If a =6, what is the value of 2a(3b + 5c)?

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2