Classify the triangle as acute, right, or obtuse and as equilateral, isosceles, or scalene.
A. Acute, scalene
B. Obtuse, equilateral
C. Obtuse, scalene
D. Right, scalene
Answer: D
Mathematics
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Write the number in standard notation.1.9722 x 104
A. 197,220 B. 19,722 C. 78.888 D. 1972.2
Mathematics
Find the exact value of the product.cos 15° cos 45°
A. 
B. 
C. 
D. 
Mathematics
Factor the expression completely, if possible.216 - z3
A. (6 - z)(36 - 6z + z2) B. (6 - z)(36 + 6z + z2) C. (6 - z)(36 + z2) D. (6 + z)(36 - 6z + z2)
Mathematics
An equation that defines y as a function of x is given. Solve for y in terms of x, and replace y with the function notation f(x).5x - 6y = 5
A. f(x) = 5 - 5x
B. f(x) = 
C. f(x) = 5 - 
D. f(x) = -5x - 
Mathematics