I need help with this it’s due today 1.) 8Q + 6 = - 14
2.) 14 + 13y = - 21
3.) 6x + 7x - = 6 + 5x + 6x
4:)n + 1 - 3n = -5 + n + 1 - 2n
5.) -5 + 7 + 2k - 3k = k - 8
6.) 2 + 3c = -2 (-2c +6)
7.)7 -(5t - 13) = -25
8.) 3(2r -14) - 3r = 12 (r-4)

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

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

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false