Perform the indicated operations.
- 
+ 
A. 
B. 
C. 
D. 
Answer: A
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Solve.9720 - 2908 = x
A. 6912 B. 6712 C. 12,628 D. 6812
Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. not applicable
B. x = 2, y = - 
; 
C. x = 8, y = 32; (8, 32)
D. x = 3, y = 4; (3, 4)
Fill in the digits for the given place values in the following whole number.7,612,362,767billions millions
A. Billions 2, millions 1 B. Billions 6, millions 2 C. Billions 7, millions 2 D. Billions 2, millions 3
The loudness L of a sound (measured in decibels, dB) is inversely proportional to the square of the distance d from the source of the sound. A person who is 10 ft from a lawn mower experiences a sound level of 70 dB. How loud is the lawn mower when the person is 25 ft away?
What will be an ideal response?