If f(x) = |x| + 9 and g(x) = –6, which describes the value of (f + g)(x)?

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

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.