It took an escalator 12 seconds to descend to the ground level. What is the domain of this graph?
Escalator Height
24
22
20
10
10
Height (feet)
0
01112
24
Time (seconds)
D
A. OS X 24
e
B. X20
C. OS XS 12
D. All real number

(3x-8) or (3x+8)

step-by-step explanation:

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation:

if the rectangular pool has a area of 192 square ft. and length of 15 ft. you must divide 15 into 192. 192 ÷ 15 = about 13 ft.

the first sequence is an arithmetic sequence.