. Find the area of a triangle whose sides are 6cm, 8cm, 10cm

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0