Solve the equation and check your solution.-6.4 + x = 20
A. x = 25.9
B. x = 13.1
C. x = 13.6
D. x = 26.4
Answer: D
Mathematics
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Find the GCF of 40, 45, and 50.
A. 10 B. 8 C. 1 D. 5
Mathematics
Simplify. Write the answer using positive exponents only. Leave the answer in exponential notation.(2r4s)2(2r2s-4)5
A. 
B. 
C. 
D. 
Mathematics
Indicate whether the statement below is true or false. If it is false, find real number replacements for a and b that will provide a counterexample.
For all real numbers a and b, a + b = b + a. A) True B) False, 10 + 00 + 10 C) False, (10) + (–1)(1) + (–10) D) False, (–10) + (–1)(–1) + (–10)
Mathematics
Provide an appropriate response.Make this statement true using inches and feet: 17 < 12
A. 17 ft < 12 in. B. 17 in. < 12 ft
Mathematics