Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 0
C. 
D. 
Answer: A
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Solve the problem.The diagonal of the floor of a rectangular office cubicle is 2 ft longer than the length of the cubicle and 5 ft longer than twice the width. Find the dimensions of the cubicle. Round to the nearest tenth, if necessary.
A. width = 3.9 ft, length = 9.7 ft B. width = 9.7 ft, length = 22.4 ft C. width = 2 ft, length = 9 ft D. width = 4 ft, length = 11 ft
Write the augmented matrix for the system. 5x + 9z = 26 7y + 8z = 18 4x + 3y + 9z = 22
A. 
B. 
C. 
D. 
Use the definition of a logarithm to prove 
.Hint: Let
and 
. Then,
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.
? ?
A. Let 
and 
so that 
and 
. Then 
and by definition, 
; that is 
.
B. Let 
and 
so that 
and 
. Then 
and by definition, 
; that is 
.
C. Let 
and 
so that 
and 
. Then 
and by definition, 
; that is 
.
A baseball diamond is a square 90' on a side. If a ball is hit to the shortstop who is halfway between second base and third base, how far must he throw the ball to put the runner out at first base?
