Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline on a day when they charge $1.35 per gallon, whereas they sell 3847 gallons on a day that they charge $1.40 per gallon. Find a linear equation that relates gallons sold to price.
A. y = -19,460x + 31,107
B. y = -19,460x + 31,091
C. y = -19,460x + 31,069.2
D. y = -19,460x + 31,074.8
Answer: B
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Suppose three center cubes are removed from a large 3 x 3 cube and the resulting figure is dipped in red paint. How many cubes have red paint on 1 face? 2 faces? 3 faces? 4 faces? 5 faces? 6 faces? Explain.
Use Pascal's triangle to expand the binomial.(x - 3y)6
A. x6 - 18x5y + 135x4y2 - 540x3y3 + 1215x2y4 - 1458xy5 + 729y6 B. x6 - 18x5y - 108x4y2 - 486x3y3 - 972x2y4 - 1458xy5 - 729y6 C. x6 - 18x5y + 36x4y2 - 54x3y3 + 36x2y4 - 18x y5 + 3y6 D. x6 - 18x5y - 729x4y2 - 60x3y3 - 729x2y4 - 18xy5 - 3y6
Add. Do not use a number line except as a check.-1.7 + 6.8
A. 5.1 B. -8.5 C. 8.5 D. -5.1
Find the vertex.f(x) = -4x2 + 8x - 10
A. (1, -6) B. (-6, 1) C. (6, -1) D. (-1, 6)