The price of a certain stock increased 12% in the first quarter, and then increased 20% in the second quarter. By what percent did the stock price increase during the first two quarters?

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?