Add or subtract as indicated and write the result in standard form.(-7 + 7i) - 8
A. 15 - 7i
B. 1 - 7i
C. 1 + 7i
D. -15 + 7i
Answer: D
Mathematics
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Solve. Write the answer in simplest form.Find the perimeter of the scalene triangle, a triangle with all three sides a different length. Recall that the perimeter of a figure is the distance around a figure.
A. 
cm
B. 
cm
C. 
cm
D. 
cm
Mathematics
Determine if the function is even, odd, or neither.f(x) = -8x5 + 4x3
A. Neither B. Odd C. Even
Mathematics
Find the center and the radius of the circle.x2 + (y + 3)2 = 
A. (0, 3), r = 
B. (0, 3), r = 
C. (0, -3), r = 
D. (0, -3), r = 
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.12.22 L = ____ gal
A. 11.6 gal B. 46.2 gal C. 3.2 gal D. 13.0 gal
Mathematics