Use a ratio identity to find tan ? if

 and .

A. tan ? = 5
B. tan ? = 09
C. tan ? = 4
D. tan ? = 08
E. tan ? = 3


Answer: A

Mathematics

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Solve the formula for the indicated variable.I = Prtfor r

A. r = 
B. r = 
C. r = 
D. r = P - It

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Solve the system graphically. Give x- and y-coordinates correct to the nearest hundredth.x2 + y2 = 7y = 

A. {(-2.29, -1.32), (2.29, 1.32)} B. {(-2.13, -1.57), (1.76, -1.98)} C. {(-2.13, 1.57), (1.76, 1.98)} D. {(-1.76, -1.98), (2.13, -1.57)}

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Graph the given function. Identify the vertex and the intercepts.y = x2 + 5x + 4

A. Vertex: 
x-intercepts: -1 and -4 
y-intercept: 4

B. Vertex: 
x-intercepts: -1 and -4 
y-intercept: 4

C. Vertex: 
x-intercepts: 1 and 4
y-intercept: 4

D. Vertex: 
x-intercepts: 1 and 4
y-intercept: 4

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Use the distributive property to rewrite the expression, then simplify if possible- (5x + 10y)

A. -9x B. 3x + 6y C. -3x - 6y D. -3x + 6y

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