Find the product and simplify. Assume all variables represent nonnegative real numbers.(4 + 4
)(4 - 4
)
A. 16 - 8
B. 176
C. 16 + 8
D. -144
Answer: D
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Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. -3x + 2y = 5-6x + 4y = 10
A. (1, 1) B. (0, 0) C. infinitely many solutions and dependent D. inconsistent
Change the measurements on this scale drawing to decimals and round them to the nearest tenth of an inch. src="https://sciemce.com/media/4/ppg__tttt0622191212__f1q50g6.jpg" style="vertical-align: -17.0px;" /> in. length b is:
A. 0.4 in.
B. 0.3 in.
C. 0.1 in.
D. 0.2 in.
a 4
in. b 
in. c 
in. d 
in. e 2
Factor.24m8 - 28m5 + 40m3
A. m3(24m5 - 28m2 + 40) B. 4(6m8 - 7m5 + 10m3) C. 4m3(6m5 - 7m2 + 10) D. prime
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How tall is the child?42 inches
A. Reasonable B. Unreasonable, should be 0.42 inches C. Unreasonable, should be 4.2 inches D. Unreasonable, should be 420 inches