A right triangle has side lengths of 20, 21, and 29 centimeters. The angle formed at the intersection of the 21 cm and 29 cm sides is labeled x. Find sin x. answer choices:
20/29

21/29

20/21

29/21

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3