<span>The area of mathematics that deals with points, lines, shapes and space. Plane Geometry is about flat shapes like lines, circles and triangles. Solid Geometry is about solid (3-dimensional) shapes like spheres and cubes.</span>
Answer:
1 lap in 8/10 (4/5) of a minute
Answer is B, 8/10 minute! or 4
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Step-by-step explanation:
A
plug in x = -1 to both sides and you get 1 as the answer for both sides.
X=7
Step 1: add nine to both sides it becomes
-2x=-23+9 —> -2x=-14
Step 2: divide by -2 on both sides it becomes
X=-14/-2 —> x=7
