You can do addition and substraction operations with polynomials similarly as with simple real numbers.
First of all you have to open brackets and then you can add numbers (-7-4=-11). Then the result is following:
Answer:
D. 65
Step-by-step explanation:
180-50=130
130 divided by 2 =65
hope this helps:)
Are you asking for a definition
Answer:
When a 2-D circle is rotated around a line that it does not touch. What is the name of the resulting figure?
The answer is annulus
A sphere with radius 16 m is cut by a plane though it’s a great circle. What is the best description of the cross section that is shown?
B. A circle with radius 16 m