Fill in the digits for the given place values in the following whole number.The speed of light is approximately 29,979,250,000 centimeters per second. What digit tells the number of ten millions?
A. 5
B. 2
C. 9
D. 7
Answer: D
Mathematics
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = cot(9x - 6)
A. y = cot u; u = 9x - 6; 
= - 9 cot(9x - 6) csc(9x - 6)
B. y = 9u - 6; u = cot x; 
= - 9 cot x csc2 x
C. y = cot u; u = 9x - 6; 
= - csc2(9x - 6)
D. y = cot u; u = 9x - 6; 
= - 9 csc2(9x - 6)
Mathematics
Use a double-angle identity to find the exact value of the expression.
A. 
B. 
C. 
D. 
Mathematics
Without using a calculator, determine whether the first number is divisible by the second number.Is 22,233 divisible by 2?
A. Yes B. No
Mathematics
Solve the system by substitution.y = x2 - 4y = 12x - 39
A. (5, 29), (7, 53) B. (-5, 21), (7, 45) C. (-5, 21), (-7, 45) D. (5, 21), (7, 45)
Mathematics