Calculate the number of distinguishable strings that can be formed with the stated letters.2 c's and 5 d's
A. 10
B. 7
C. 42
D. 21
Answer: D
Mathematics
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Solve the system of equations by the addition method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent.8x - 6y = -6-3x - 2y = -2
A. (0, 2) B. (-1, 2) C. No solution, inconsistent D. (0, 1)
Mathematics
Consider the functions f and g as shown in the graph. Answer the question.What is the value of (f - g)(-1)?
A. 3 B. -1 C. 0 D. 1
Mathematics
Establish the identity.cos
= 
cos x - 
sin x
What will be an ideal response?
Mathematics
Simplify. Assume that variables represent positive real numbers.
A. 7 B. 56 C. -7 D. -56
Mathematics