The composte figure is made up of two conguent rectangular pyramids joined at the bases,
What is the total volume of the composite figure?
30 units
60 units
120 units
180 units
6
2
12
75

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36