1) how many ways can six books be arranged on one shelf? a) 21 b) 120 c) 360 d) 720 2) there are eight girls competing in an ice-skating competition. in how many ways can they finish in first, second, and third place? a) 336 b) 1,680 c) 2,016 d) 40,320 3)how many ways can a president and vice president be selected from a class of 12? a) 23 b) 72 c) 132. d) 1,320 4)how many ways can seven students line up for a class picture? a) 5,040 b) 210 c) 28 d) 7

Aright triangle includes one angle that measures 30º. what is the measure of the third angle? a. 30º b. 90º c. 60º d. 130º

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct