The diagram shows a logo. ABE and DCE are congruent triangles.
BCE is a sector of a circle, centre E.
Show that the area of the logo is 460 cm?
to 2 significant figures.
B.
C
CE2=142+272-2(27)(14)cos(32)=283.87 56393
CE=16.85
area of sector=105/360**16.852=260.158
tariangle=1/2(14)(17)sin32=63.06
63.06*2=126.12
27 cm
126.12+260.158=390
I
105°
ח
m
14 cm
32°
A
D

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.