Which equation is equivalent to 2x^2−16x−43=−3? (x−4)2=40

(x+16)2=40

(x−16)2=36

(x−4)2=36

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

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?