5. Find the value of x in the figure shown. 68 * 68 a. 20 b. 22 c. 45 d. 80​

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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

Find the measure of the angle indicated in bold