A triangle weighs 3 grams and a circle weighs 6 grams. Find the weight of a square in hanger a and the weight of a pentagon in hanger b. Write an equation to represent each hanger (please help!)

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172