An eraser is in the shape of a triangular prism. Its dimensions are shown in the diagram. What is surface area of the eraser? 50 mm
40 mm
40 mm
30 mm
3,600 square millimeters
4,800 square millimeters
5,400 square millimeters
6,000 square millimeters

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

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.

I’m still confused on how to work the percentages