If sushie costs $6 for 2 trays and hot dogs cost $3 for 3 whats the best deal?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Concerned about campus safety, college officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. how many randomly selected students must be surveyed in order to be 95 % confident that the sample percentage has a margin of error of two percentage points?