Solve the problem.The perimeter of a triangle is 69 cm. The triangle is isosceles now, but if its base were lengthened by 2 cm and each leg were shortened by 4 cm, it would be equilateral. Find the length of the base of the original triangle.
A. 18 cm
B. 19 cm
C. 25 cm
D. 21 cm
Answer: B
Mathematics
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A. 
B. - 
C. - 
D. 
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Find the integral.
A. ln 
+ C
B. 
ln 
+ C
C. 
ln 
+ C
D. 
ln 
+ C
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Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = 2x2 - 5x - 12
A. x-intercepts: (-1.5, 0), (4, 0); y-intercept: (0, -12) B. x-intercepts: (-3, 0), (4, 0); y-intercept: (0, -12) C. x-intercepts: (3, 0), (4, 0); y-intercept: (0, 12) D. x-intercepts: (1.5, 0), (-4, 0); y-intercept: (0, -12)
Mathematics
Multiply and then, if possible, simplify by factoring.
A. 5
B. 5x4y4
C. 25x8y8
D. 5x4y4
Mathematics