Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this.8x - 2y = -23-8x + 2y = 23
A. (-8, -7)
B. Infinite number of solutions
C. (-6, 7)
D. No solution
Answer: B
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Convert the units.15 L = 
mL
A. 15,000 mL B. 0.015 mL C. 1.5 mL D. 1500 mL
Simplify.Write 64,776 in words.
A. sixty thousand, seven hundred seventy-six B. sixty-four thousand, seven hundred seventy-six C. sixty-four thousand, seventy-seven hundred, six D. six thousand, seven hundred seventy-six
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = ?, c = 10
A. b = 10 B. b = 8 C. b = 7 D. b = 9
Fill in the blank with one of the words or phrases listed below. 
A combination of operations on variables and numbers is called a(n) 
.
A. equation B. evaluating the expression C. addition D. algebraic expression