Find the product.(7x + 9)2
A. 7x2 + 126x + 81
B. 49x2 + 126x + 81
C. 49x2 + 81
D. 7x2 + 81
Answer: B
Mathematics
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Fill in the blank(s) with the appropriate word(s).
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Find the area of a trapezoid with height 12 feet and bases 6 feet and 15 feet.
(a) 252ft² (b) 33ft² (c) 126ft² (d) 66ft²
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Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.cos 64°
A. cos 154° B. sin 26° C. sec 26° D. sin 64°
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Graph the function defined by a radical expression.f(x) = 
A. 
B. 
C. 
D. 
Mathematics