Provide an appropriate response.A rectangular desktop is 30 inches by 23 inches. Dick decides to enlarge the length and width by the same amount to make a new area of 1320 in2. What will be the dimensions of the new desktop?
A. 40 inches by 33 inches
B. 36 inches by 29 inches
C. 8 inches by 165 inches
D. 44 inches by 30 inches
Answer: A
Mathematics
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Find the vertex, focus, and directrix of the parabola. Graph the equation.y2 + 6y = 12x + 51
A. vertex: (-5, -3)
focus: (-8, -3)
directrix: x = -2
B. vertex: (-5, -3)
focus: (-5, 0)
directrix: y = -6
C. vertex: (-5, -3)
focus: (-5, -6)
directrix: y = 0
D. vertex: (-5, -3)
focus: (-2, -3)
directrix: x = -8
Mathematics
Evaluate the expression without using a calculator.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Add. Find the LCD first.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Subtract the following hexadecimal numbers. Check using decimals.
=
What will be an ideal response?
Mathematics