Greyson told his friend Zeth that if a diagonal plane slices off the corner of any prism, such that it only slices through two lateral sides and a base, the cross section will always have a triangular shape. Is Greyson correct?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Pls brainliest will be awarded if answer is correct

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?