The following expression is an example of which property of real numbers? (-2) + 7 = 7 + (-2) additive identity associative property commutative property multiplicative property

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000