Apair of shoes is on sale for 24%off if the original price was 300 find th sale price

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is