Solve for the indicated variable

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

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°

Which of the following statements is a true conclusion that can be made from the scaled bargraph?