Answer correctly for brainliest and also a ! don't answer if you don't know it .
a. obtuse
b. equilateral
c. isosceles
d. scalene

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

If 25% of y is 30, what is 60% of y?