Evaluate the expression.Let x = -8, y = 4. Evaluate 
+ 
.
A. -12
B. 12
C. 4
D. -4
Answer: B
Mathematics
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Use a number line to find the sum.8 + (-7)
A. -15 B. 2 C. -1 D. 1
Mathematics
Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.2x2 + 5y2 - 12x + 70y + 253 = 0
A. C(-3, 7); V(-3 ± 
, 7); 
+ 
= 1
B. C(3, -7); V(3 ± 
, -7); 
+ 
= 1
C. C(3, -7); V(3 ± 
, -7); 
+ 
= 1
D. C(-3, 7); V(-3 ± 
, 7); 
+ 
= 1
Mathematics
Find the product.6x7(-8x7 + 9x3 + 6)
A. -48x14 + 54x10 + 36x7 B. -48x7 + 54x3 + 36 C. -48x14 + 54x10 D. -48x14 + 9x3 + 6
Mathematics
Solve. Give your answer as a mixed numeral.The floor of a rectangular room is to be tiled with 
foot square tiles along a 9
foot wall. How many tiles will be needed along the wall?
A. 3
tiles
B. 30 tiles
C. 27
tiles
D. 28
tiles
Mathematics