Provide an appropriate response.Decide whether the elimination method or the substitution method involves the least amount of work. Do not solve.-3x + 7y = 49 4x + 6y = -4
A. Elimination
B. Substitution
Answer: A
Mathematics
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Find average for each set of numbers.377, 803, 768, 824
A. 743 B. 693 C. 717 D. 593
Mathematics
Provide an appropriate answer.Use the following frequency distribution to determine the modal class (or classes).
A. 28-34 B. 28-34; 42-48 C. 7-13; 21-27; 28-34; 42-48 D. 14-20
Mathematics
Decide whether the problem is an equation or an expression.3(4 - x) + 
A. Expression B. Equation
Mathematics
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -9x2 - 2x - 3
A. vertex 
intercept (0, 3) 
B. vertex 
intercept (0, 3) 
C. vertex 
intercept (0, -3)
D. vertex 
intercept (0, -3) 
Mathematics