Solve the pair of linear equations by addition.
What will be an ideal response?
Mathematics
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Draw the given angle in standard position. Draw an arrow representing the correct amount of rotation. Find the measure of two other angles, one positive and one negative, coterminal with the given angle.115°
A. 295° and -65°
B. 475° and -245°
C. 295° and -65°
D. 475° and -245°
Mathematics
Convert the equation to the standard form for a hyperbola by completing the square.4y2 - 16x2 + 16y - 64x - 112 = 0
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Simplify the expression. First use the distributive property to remove any parentheses.9(8x + 2y + 5)
A. 72x + 18y + 45 B. 72x + 2y + 45 C. 72x + 18y + 5 D. 72x + 2y + 5
Mathematics
Factor completely.18y2 + 81y - 45
A. 9(2y + 1)(y - 5) B. 9(2y - 1)(y + 5) C. (18y - 9)(y + 5) D. (2y - 1)(9y + 45)
Mathematics