Can someone solve this quickly please

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Which statement justifies why angle ebc measures 90?

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