Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Answer: A
Mathematics
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Solve. Write the solution set using set-builder notation and using interval notation. Graph the solution set. -5y + 2 > -6y + 3
A. {y| y < 1}; (-?, 1)
B. {y| y < 5}; (-?, 5)
C. {y| y > 5}; (5, ?)
D. { 
y > 1}; (1, ?)
Mathematics
Simplify.52 + 62
A. 44 B. 121 C. 22 D. 61
Mathematics
Use the geometric interpretation of slope (rise divided by run) to find the slope of the line. Then, by identifying the y-intercept from the graph, write the slope-intercept form of the equation of the line.
A. y = - x + 2 B. y = x - 2 C. y = - x - 2 D. y = x + 2
Mathematics
Solve the application problem.Find the dimensions of a rectangle whose perimeter is 34 meters and whose area is 52 square meters.
A. 3 m by 14 m B. 4 m by 13 m C. 5 m by 12 m D. 3 m by 12 m
Mathematics