Convert. When necessary, round the answer to two decimal places.480 seconds = minutes
A. 8
B. 4
C. 20
D. 15
Answer: A
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Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 2x
A. Vertex: (- 1, - 1);
x-intercepts: (0, 0) and (-2, 0);
y-intercept: (0, 0)
B. Vertex: (1, - 1);
x-intercepts: (0, 0) and (2, 0);
y-intercept: (0, 0)
C. Vertex: (- 1, - 1);
x-intercepts: (0, 0) and (-2, 0);
y-intercept: none
D. Vertex: (1, - 1);
x-intercepts: (0, 0) and (2, 0);
y-intercept: none
Solve.In 2010 a certain county recovered 26% of its municipal wastes through recycling, up from 17% in 2005. Find a linear equation that fits this data. Use this equation to predict the percentage recycled in 2019.
A. 42.2% B. 43.9% C. 38.6% D. 40.3%
Solve the problem.In a certain location, the highest temperature recorded was 102°F. The lowest temperature recorded was 128 degrees less than the highest. What was the lowest temperature?
A. -138°F B. 26°F C. -26°F D. 0°F
Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.
A. x
B. x1/2
C. 
D. x9/8