The volume of a spherical cancerous tumor is given by the function 
where r is the radius of the tumor in centimeters. By what factor is the volume of the tumor increased if its radius is quadruple?
Fill in the blank(s) with the appropriate word(s).
64
Mathematics
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Choose the equation that matches the graph.
A. 25x2 + 4y2 = 100 B. 4x2 - 25y2 = 100 C. 4y2 - 25x2 = 100 D. 25x2 - 4y2 = 100
Mathematics
Solve.Claire is reading a 501-page book. If she has just finished reading page 219, how many more pages must she read to finish the book?
A. 392 pages B. 292 pages C. 283 pages D. 282 pages
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Multiply or divide as indicated.
? 
? 
A. 
B. 
C. 
D. 
Mathematics
Find the reference angle of the given angle.-244°
A. 116° B. 64° C. 154° D. 26°
Mathematics