Evaluate the expression for the given values.3x + 7y + 3; x = 0, y = 7
A. 55
B. 24
C. 10
D. 52
Answer: D
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Solve the equation.- 
= -9
A. {12} B. {-27} C. {-12} D. {27}
Rotate the axes so that the new equation contains no xy-term. Graph the new equation.x2 + xy + y2 - 3y - 6 = 0
A. 
B. 
Determine whether the statement is true or false.cos(30°+ 45°) = cos 30° ? cos 45° - sin 30° ? sin 45°
A. True B. False
Translate the problem situation to a system of equations. Do not attempt to solve.The Cudly College football team scored 60 times last season, some on seven-point touchdowns and some on three-point field goals. Altogether, the 60 scores accounted for 248 points. How many touchdowns and field goals did they score? (Let x represent the number of touchdowns and y represent the number of field goals.)
A. x - y = 60, 7x - 3y = 248 B. x + y = 60, 7x + 3y = 248 C. x + 3y = 60, 7x + y = 248 D. x + y = 248, 7x + 3y = 60