A system of two linear equations is shown below. 2x+3y=6 −x+4y=8 Henrietta claims that replacing the equation 2x+3y=6 with a different equation sometimes produces a system with the same solutions. Select THREE equations that can be used to support Henrietta's claim.

The trigonometric ratios sine and secant are reciprocals of each other

The graph shows the distance kerri drives on a trip. what is kerri's speed?

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.