Which expressions are correct and which are not.

n + n + n + n + n + n + n + n + n + n + n + n + p + p + p + p

10n+4p

Step-by-step explanation:

adding all of the "n" you get 10

when you add the four p's you get4p

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 .