Answer:
The number of red pencils is 2 times the number of yellow pencils
10+ 10+10=30
5 x 9 = 45
30 + 45 = 75 cents
40 - 28 do that and you'll get your answer
Answer:
555.94
Step-by-step explanation:
16 x 11 = 176/2
88
since there are two of the same triangle
88 x 2
176
11 is the radius
A = 

A = 3.14 ( pie is 3.14, if not then pi) x (11x11)
A = 3.14 x 121 (or 121
)
A = 379.94
379.94 + 176 (or 121pi + 176)
555.94