Which expression is equivalent to 10x + 20y?

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 !

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

What kind of bond pays interest which is exempt from tax?