What is the value of x in the figure?
A. 120°
B. 140°
C. 150°
D. 160°
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Which of the following expressions is equal to 2x^2+8

Average acceleration: i have no idea how to do this.

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.