Find the measure of the acute angle formed by the positive x-axis and the given line. y = 
x
A. 60°
B. 30°
C. 45°
Answer: B
Mathematics
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Solve.
x = 
- 
A. - 
B. 
C. 
D. - 
Mathematics
Graph the given parabola.y = -x2 - 4x + 5
A. 
B. 
C. 
D. 
Mathematics
Write the English phrase as an algebraic expression, then simplify the expression. Let x represent the number.The product of 2 and a number, which is then added to the product of 11 and the number.
A. 11x + 2x; 22x B. 2x ? 11x; 22x C. 11x + 2x; 13x D. 11x - 2x; 9x
Mathematics
The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)How many packages weighed between 20 and 39 pounds?
A. 2 packages B. 11 packages C. 7 packages D. 6 packages
Mathematics