Angle PKL and angle MKN are complementary angles. The measure of angle PKL is twice the measure of angle MKN. a. Write one equation to find x,
b. What is the measure of angle MKN
c. Solve for x.

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Evaluate the following expression 1/3^2

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