Ming wonders if there is a relationship between students' practicing music and their average in math class. she surveys ten of her classmates and ask what their average is in math. she also asked if they sing or play a musical instrument, and if so, how many hours they practice per week. the scatter plot shows her results. help lol right no hehe,

Anyone know? will mark brainliest if correct

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

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.