Use the formula d = rt to find the value of the missing variable.d = 24 miles, t = 6 hours (Round to the nearest tenth when necessary.)
A. r = 18 mph
B. r = 144 mph
C. r = 0.3 mph
D. r = 4 mph
Answer: D
Mathematics
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Graph the polar equation.r = 5(1 -sin ?)
A. 
B. 
C. 
D. 
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Use the Distributive Property to find the product.-4z(6z2 - 2z - 6)
A. -24z2 + 8z + 24 B. -24z3 + 8z2 + 24z C. -24z3 + 8z2 + 24 D. -24z3 - 2z - 6
Mathematics
Factor the polynomial.343c3 + 8
A. (7c + 2)(49c2 - 14c + 4) B. (7c - 2)(49c2 + 14c + 4) C. (7c + 2)(49c2 + 4) D. (343c + 2)(c2 - 14c + 4)
Mathematics
Use the discriminant to determine whether the graph of the equation is an ellipse (or circle), a hyperbola, or a parabola.x2 + xy + y2 + 3x - 4y - 3 = 0
A. Parabola B. Ellipse or circle C. Hyperbola
Mathematics