Could someone please help me with this? thank you so so so so much :D

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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.