The radius of a spherical balloon increases at a rate of 1 mm/sec. How fast is the surface area increasing when the radius is 10mm? (Note: The surface area S of a sphere of radius r is S = 4?r2.) Enter just a real number (no approximations, no units or words).
Fill in the blank(s) with the appropriate word(s).
??80
Mathematics
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Subtract by borrowing as necessary.61 - 57
A. 14 B. 118 C. 4 D. 2
Mathematics
Find the missing numbers.
A. (a) = 3, (b) = 1, (c) = 8, (d) = 5 B. (a) = 2, (b) = 2, (c) = 6, (d) = 5 C. (a) = 3, (b) = 1, (c) = 7, (d) = 4 D. (a) = 2, (b) = 1, (c) = 7, (d) = 5
Mathematics
Factor completely, or state that the polynomial is prime.x8 - 1
A. (x4 - 1)2 B. (x4 + 1)(x2 + 1)(x + 1)(x - 1) C. prime D. (x2 - 1)4
Mathematics
Graph the function.y = -6 csc 
A. 
B. 
C. 
D. 
Mathematics