An isosceles triangle has two angles that measure 75 degrees, what is the measure of the third angle of the triangle

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Which expression is rational? 6. , square root two, square root 14, square root 49