Solve the following system of equations by using the elimination method. -2x + 9y = -13 6x - 3y = 15

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders