Simplify.82 - 5 ? 3
A. 177
B. 49
C. 27
D. 72
Answer: B
Mathematics
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Complete the equation so the result is an identity. 
+ tan2x = sec2x
A. cos2x B. 1 C. -1 D. sin2x
Mathematics
Use identities to simplify the expression. Do not use a calculator.
A. cos 15° B. cot 15° C. tan 15° D. sin 15°
Mathematics
Find the slope of the line. If the slope is undefined, state this.
A. 0
B. Undefined
C. 
D. -4
Mathematics
Write the phrase as a variable expression. Use x for the unknown number.The product of -32 and the sum of a number and 12
A. -384x B. -32 + 12x C. -32(x + 12) D. -32x + 12
Mathematics