Explain why an equilateral polygon is not necessarily a regular polygon

Change the mixed number 13 and five sixths13 5 6 to an improper fraction.

Which expression is equal to (3 x 5) x 4

Write an expression that can be used to check the quotient of 646 divide 3

Why is the opposite of a number also called the additive inverse

The length of a rectangle is 14 feet. The width is 6 feet. What is the perimeter of the rectangle? A. 64 feet B. 20 feet C. 40 feet D. 80 feet

Express 12 as a % of 48

Before a renovation, a movie theater had 111 seats. After the renovation, the theater has 154 seats. What is the approximate percentage increase of the number of seats in the theater? If necessary, round to the nearest tenth of a percent. A. 28.1% B.

Can 6cm, 4cm, and 10cm form a triangle

2 (x+1) + 3=7 how do I solve this? Is this correct? 2 (x+1) + 3=7 2x + 2 + 3=7 2x+2 + 3=7 2x+5=7 -5 7 2x = 2 2 2 x=1

Alex buys a top of the line computer. He did not realize that the computer would lose value so fast. If his computer cost $1800.