Which relationships describes angles 1 and 2?

Select EACH correct answer

A. Adjacent angles
B. Vertical angles
C. Supplementary angles
D. Complementary angles

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days