Use the table and the given X-ray absorption diagrams to identify the composition of each of the regions marked by a letter. The number in each region shows its absorption, and the number on each X-ray beam shows the total absorption for that beam.
Type Air Water Gray matter Tumor Blood Bone Absorption 01,0001,0201,0301,0502,000?
?
, 
, 
, 
x =__________y =__________z =__________u =__________
What will be an ideal response?
Water; Gray matter; Air; Blood
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Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the cheerleader's baton is 1.6 
.
A. m B. cm C. km D. mm
Perform the indicated operation and write the answer in lowest terms. 
- 
- 
A. - 
B. 
C. 
D. 
Find the center, foci, and vertices of the ellipse.64x2 + y2 - 1152x + 5120 = 0
A. 
+ (y - 8)2 = 1
center: (8, 0); foci: (8, 4
), (8, -3
); vertices:(8, 9),
(8, -9)
B. 
+ (y - 9)2 = 1
center: (9, 0); foci: (9, 3
), (9, -3
); vertices:(9, 8), (9, -8)
C. (x - 8)2 + 
= 1
center: (8, 0); foci: (8, 4
), (8, -4
); vertices:(8, 9), (8, -9)
D. (x - 9)2 + 
= 1
center: (9, 0); foci: (9, 3
), (9, -3
); vertices:(9, 8), (9, -8)
Find the sum of the first five terms of the indicated geometric series.5, 15, 45, 135, . . .
A. 605 B. 608 C. 606 D. 595