Solve the problem.The perimeter of a triangle is 67 cm. The triangle is isosceles, but if its base were lengthened by 7 cm and each leg were shortened by 4 cm, then it would be equilateral. Find the base of the original triangle.
A. 22 cm
B. 15 cm
C. 26 cm
D. 14 cm
Answer: B
Mathematics
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, 
, and 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.What is the range of the function y = 
x?
A. (-?, 0) B. (0, ?) C. [0, ?) D. (-?, ?)
Mathematics
Solve.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 305 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 545 km to 785 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Perform the indicated operation and write the answer in simplest form.
? 
A. z2
B. z4
C. z3
D. 
Mathematics