A triangle PQR is an equilateral triangle
with side 18 cm. A circle is drawn
on the segment QR as diameter. Find
the length of the arc of this circle within
the triangle.

Based on what i know about mean, this doesn't add up.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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 $