Find the value of the expression using the given values.
+ 
x = 5, y = 9
A. 14
B. 4
C. -4
D. 106
Answer: A
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At which van Hiele level can teachers expect students to understand the main ideas behind non-Euclidean geometries?
a. Descriptive-analytic reasoning b. Relational-inferential reasoning c. Formal deductive proof d. Rigor
Decide whether the ordered pair is a solution of the given system.(5, -1)x + y = -6x - y = -4
A. Yes B. No
Solve the equation for real values of the variable by factoring.
?
What will be an ideal response?
Solve the problem.Let the distance from home in miles of a person after t hours on a straight path be given by 
Approximate the average rate of change of s from 
to 
to the nearest tenth and interpret the result.
A. about 3.6; average speed is about 3.6 mi/hr B. about 4.2; average speed is about 4.2 mi/hr C. about 7.3; average speed is about 7.3 mi/hr D. about 2.1; average speed is about 2.1 mi/hr