Solve the equation. Do not use a calculator.
A. 
B. 
C. 
D. 
E. 
Answer: B
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For the triangle, based on the side lengths given, decide whether it is equilateral, isosceles, or scalene. 
A. equilateral and isosceles B. isosceles C. scalene
Solve the problem.In Smithville, there were 225 teachers in 1990 and 321 teachers in 2000. Find the percent of increase in the number of teachers in Smithville during this time period. Round to the nearest tenth of a percent.
A. 42.7% B. 46.9% C. 29.9% D. 51.2%
A triangular raised bed of annual flowers is to be built next to the door of a new restaurant, as shown. If the angle of the flower bed near the door is 90- and the other angle by the walkway is three times the third angle, what are the measures of the angles of this flower bed?
Add the numbers using the number line.-5 + (-7) 
A. -12 B. -2 C. 12 D. 2