Trackers Inc. produces backpacks in two models, journey and trek. The journey model requires 4 hours of labor, and the company makes a profit of $40. The trek model requires 6 hours of labor, and the company
makes a profit of $80. The distributor will accept no more than 4 trek models and 15 journey models per week.
What is the minimum number of hours of labor that are required for the company to make a profit of at least
$400 per week?
a

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy