Two popcorn bags and four cokes cost $8. write an equation in standard form to describe the cost of popcorn and coke. (i need to know a standard form equation, a slope-intercept form equation, and how much the cookies cost if sandwiches are $3.50 each? )

What are correct trigonometric ratios that could be used to determine the length of ln

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

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?