Evaluate the expression using the given values.
?x = 5, y = 7
A. 15
B. 91
C. 7
D. 63
Answer: D
Mathematics
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Solve the equation for the indicated variable.
n - (7 - a) = 4a for n
A. 20a + 28 B. 12a + 28 C. 20a - 28 D. 0.75a + 1.75
Mathematics
At the given point, find the line that is normal to the curve at the given point.4x2y - ? cos y = 5?, normal at (1, ?)
A. y = 
x - 
+ ?
B. y = 
x - 
+ ?
C. y = - 
x + 
+ ?
D. y = -2?x + 3?
Mathematics
Identify the terms of the polynomial and their coefficients.2y11 - 10y2 - 6y
A. Terms: 2y11, 10y2, and 6y Coefficients: 2, 10, and 6 B. Terms: 2, y11, -10, y2, -6, and y Coefficients: 2, -10, and -6 C. Terms: 2y11, -10y2, and -6y Coefficients: 2, -10, and -6 D. Terms: 2y11, -10y2, and -6y Coefficients: 2, 10, and 6
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics