Provide an appropriate response.Which of the following demonstrates the correct way to verify the solution to an equation?
A.
-3x = 15; x = 5
-3(5) = 15
B.
7x = 14; x = 7
7 (7) = 14
C. -2x = -20; x = 10
= 
x = 10
D.
-8x = 24; x = -3
-8(-3) = 24
Answer: D
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Provide an appropriate response.Express 4 lb 30 oz in standard notation.
Fill in the blank(s) with the appropriate word(s).
Solve. Write the answer in simplest form.The total length of a bicycle race is 
of a mile. Molly has completed 
of a mile. How much does she have left to complete?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Find the slope and the y-intercept of the given line.5x + 7y = 48
A. -1
; 
B. 
; 
C. - 
; 
D. 1
; 
Find the indicated function.A piece of cardboard is twice as long as it is wide. It is to be made into a box with an open top by cutting 6 cm squares from each corner and folding up the sides. Let x represent the width of the original piece of cardboard. Determine a function V that represents the volume of the box in terms of x.
A. V(x) = 12x2 - 108x + 216 B. V(x) = 12x2 - 216x + 864 C. V(x) = 12x2 D. V(x) = 6x2 - 144x + 864