What is the measure of each interior angle in a regular 20-gon?
a. 20¡
b. 162¡
c. 180¡
d. 3240¡the measure of each interior angle in a regular 20-gon is 162¡. (20 - 2 * 180 / 20 = 3240/20 = 162?

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.