Solve the problem. Round money amounts to the nearest cent.Each piece of lead for a mechanical pencil is 60 mm long. Find the total length in centimeters of the lead in a package with 20 pieces.
A. 1200 cm
B. 1.2 cm
C. 120 cm
D. 12 cm
Answer: C
Mathematics
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Find all solutions of the equation in the interval [0, 2?).cos
= 
A. 
B. 
C. 
D. 
Mathematics
Determine the domain and the range of the function.f(x) = -x2 + 8x - 7
A. domain: all real numbers range: {y|y ? -9} B. domain: all real numbers range: {y|y ? 9} C. domain: all real numbers range: all real numbers D. domain: {x|x ? -4} range: {y|y ? 9}
Mathematics
Use the graph, along with the indicated points, to give the solution set of the equation or inequality.y1 ? y2
A. (-?, -1] ? [5, ?) B. [-1, 5] C. (-1, 5) D. (-?, 1) ? (5, ?)
Mathematics
Provide an appropriate response.When two linear equations are solved for y and the slopes are equal and the y-intercepts are the same, the lines are ?
A. Intersecting B. One Graph C. Parallel
Mathematics