A. Scalene
B. Isosceles
C. Right
D. Obsute

Isosceles

Step-by-step explanation:

Because an equilateral triangle is also isosceles, all triangles are either scalene or isosceles. But when people call a triangle isosceles, they're usually referring to a triangle with only two equal sides, because if the triangle had three equal sides, they'd call it equilateral.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.