Angle M and angle R form a supplementary angle. The measure of Angle R is 40+2x.
The measure of angle M is 13x.
What is the value of x

What could explain what happened when the time was equal to 120 minutes

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

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers