Solve the equation.7(x + 7) = (7x + 49)
A. all real numbers
B. 98
C. no solution
D. 0
Answer: A
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Perform the operation.3.724 - 2.460
A. 1.264 B. 6.184 C. 1.364 D. -6.184
Subtract in the indicated base.324 - 234
A. 104 B. 24 C. 94 D. 34
Solve.42 is what percent of 21?
A. 100% B. 150% C. 200% D. 50%
Without graphing, answer the following questions for the linear system.(i) Is the system inconsistent, are the equations dependent, or neither?(ii) Is the graph a pair of intersecting lines, a pair of parallel lines, or one line?(iii) Does the system have one solution, no solution, or an infinite number of solutions?x + 2y = 0y = - 
x
A. (i) dependent (ii) one line (iii) infinite number of solutions B. (i) neither (ii) intersecting lines (iii) one solution C. (i) inconsistent (ii) parallel lines (iii) no solution