For the given expression, identify the terms and the numerical coefficients.-2z6 + z4 - z - 6 + 6z4
A. Constant terms: -6
Variable terms: -2z6, z4, - z, 6z4
Coefficients: -2, -6, 6
B. Constant terms: -2, -6, 6
Variable terms: z6, z4, z
Coefficients: -2, -6, 6
C. Constant terms: -2, -6, 6
Variable terms: z6, z4, z
Coefficients: -2, 1, -1, 6
D. Constant terms: -6
Variable terms: -2z6, z4, - z, 6z4
Coefficients: -2, 1, -1, -6, 6
Answer: D
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to find the value of the other indicated hyperbolic function.cosh x = 
, x > 0, sinh x =
A. - 
B. 
C. 
D. 
Solve the system of equations.3x + 5y + z = 404x - 4y - z = -75x + y + 4z = 37
A. (5, 4, 3) B. (4, 5, 3) C. (3, 5, 4) D. (4, 3, 5)
Write the algebraic expression described. Simplify if possible.The sum of the angles of a triangle is 180°. If one angle of a triangle measures x° and a second angle measures 
, express the measure of the third angle in terms of x.
A. (160 + 3x)° B. (160 - 2x)° C. (200 - 3x)° D. (160 - 3x)°
Provide an appropriate response.The time it takes a boat to travel a given distance downstream (with the current) can be calculated by dividing the distance by the sum of the speed of the boat and the speed of the current. Write an equation which calculates the time t it takes a boat moving at a speed r against a current c to travel a distance d. Solve your equation for r.
What will be an ideal response?