A circle has a diameter of 10 cm. What is the best approximation of its area? Use 3.14 for piyou need radius not diameter in the formula! (Hint: A = π r2 ) 78.5 sq cm

314 sq cm

31.4 sq cm

15.7 sq cm

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Find the cosine function that is represented in the graph.

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?