The cross-section of a water baby shaped like a trapezoid the basis of the trapezoid are 18 feet and 8 feet long it has an area 52 ft.² what is the height of the cross-section

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

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.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?