Divide 21a^3-14a by -7
a.-3a^3+2a
b.-3a^3-2a
c.-3a^2+2
d.3a^3+2a

For this case we must find the quotient of between -7:

That is to say:

We know that:

Finally:

Option A

the correct answer is semicircle

step-by-step explanation:

the answer is semicircle because the shorter arc joining two points on the circumference of a circle is known as the minor arc, the larger arc is called the major arc, and a semicircle is a half circle, formed by cutting a whole circle along a diameter line.

hope i .