Solve the problem.The perimeter of a triangle is 70 cm. The triangle is isosceles now, but if its base were lengthened by 7 cm and each leg were shortened by 4 cm, it would be equilateral. Find the length of the base of the original triangle.
A. 15 cm
B. 16 cm
C. 23 cm
D. 27 cm
Answer: B
Mathematics
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where a and b are real numbers.6i + (-9 - i)
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A. -3.479 B. -2.759 C. -3.579 D. 1.299
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Simplify. Write your answer using only positive exponents. Assume that all variables represent nonzero numbers.x-8? x4? x-6
A. x192
B. 
C. 
D. -x10
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algebraically. Approximate the result to three decimal places.
a. 
b. 
c. 
d. 
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