Write a system that describes the situation:
alex purchased 2 hotdogs for x dollars each and 4 popcorn balls for y dollars each for a total cost of $14.00. marion purchased 4 hotdogs for x dollars each and 7 popcorn balls for y dollars each for a total $26.00.

Working on itts i’m going to need you to me as i go along 1-5

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?