Find the best buy and give the unit price.Brand A 35 oz for $7.00Brand B 30 oz for $5.70
A. Brand A, $0.19
B. Brand B, $0.19
C. Brand A, $0.20
D. Equal value
Answer: B
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Find the center and radius of the circle.x2 + (y + 4)2 = 121
A. Center: (4, 0); radius: 121 B. Center: (0, -4); radius: 11 C. Center: (-4, 0); radius: 11 D. Center: (0, -4); radius: 121
Let x be a number. Translate the following into an expression or an equation, as appropriate, and then simplify the expression or solve the equation.Twice the difference of two and x is equal to five subtracted from negative one times x.
A. 2(2 - x) = -x - 5; 9 B. 2(x - 2) = 5 - x; -1 C. 2(2 - x) = -x - 5; -1 D. 2(2 - x) = -x - 5; -3
Subtract.
A. 5.4 B. 6.6 C. 5.6 D. 5.7 E. 4.6
Provide an appropriate response.Under what circumstances can a system of equations be solved more easily by graphing than by substitution?
What will be an ideal response?