Solve the equation for the interval [0, 2?).sec2x - 2 = tan2x
A. 
B. 
C. No solution
D. 
Answer: C
Mathematics
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Solve the equation for the indicated variable.S = 2?rh + 2?r2, for h
A. h = S - r
B. h = 2?(S - r)
C. h = 
- 1
D. h = 
Mathematics
Evaluate the formula for x = -2, -1, 0, 1, and 2. Plot the resulting ordered pairs.y = 
x2 - 4
A. 
B. 
C. 
D. 
Mathematics
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.24 ÷ 
A. 24
B. 3
C. 168
D. 
Mathematics
Find the dimension of the matrix. Tell if the matrix is a square, column, or row matrix, when applicable.
A. 4 × 1; column B. 1 C. 1 × 4; row D. 4
Mathematics