Simultaneous equation 2x-y=-1,x-2y=4 solve graphically
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Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.