Decide whether or not the given equation is an identity.(cos ? - sin ?)2 + (cos ? + sin ?)2 = 2
A. Yes
B. No
Answer: A
Mathematics
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Find the product.(-3)6
A. -2187 B. 2187 C. -729 D. 729
Mathematics
Perform the indicated operations. Round to the nearest tenth.5.94 ÷ 0.5 - (3.3)2
A. 0.99 B. 5.28 C. 0.97 D. 0.57
Mathematics
Factor, if possible.x2 + 24x + 144
A. Prime polynomial B. (x - 12)2 C. (x + 12)2 D. (x + 12)(x - 12)
Mathematics
Simplify. Combine like terms if possible.-4z + (-10z)
A. -6z B. -14z2 C. -14z D. -6z2
Mathematics