Use substitution to determine whether the given ordered pair is a solution of the given equation.(-7, -2); 4x + 2y2 = -20
A. Yes
B. No
Answer: A
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.In triangle ABC, angle A is three times as large as angle C. The measure of angle B is 
less than that of angle C. Find the measure of the angles.
A. 129° , 8° and 86° B. 86° , 8° and 43° C. 129° , 8° and 43° D. 86° , 8° and 86°
Mathematics
Use division to write the rational expression in the form 
A. 4x - 3 - 
B. 4 - 
C. 4x - 
D. 4 - 
Mathematics
The graph of a function f is given. Use the graph to answer the question.What are the x-intercepts?
A. -5, -3, 3.5, 5 B. -3, 3.5 C. -3 D. -3, 3.5, 5
Mathematics