1. In a class of 32 students, 18 offer Chemistry, 16 offer Physics and 22 offer Mathematics, 6 offer all three subjects, 3 offer Chemistry and Physics only and 5 offer Physics only. Each student offers at least
one subject. Find the number of students who offer
(a) Chemistry only
(b) only one subject
(c)
only two subjects

Need asap. solve for the following inequality

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

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