Write an algebraic equation and use it to solve the problem.The length of a rectangular room is 4 feet longer than twice the width. If the room's perimeter is 176 feet, what are the room's dimensions?
A. Width = 28 ft; length = 60 ft
B. Width = 33 ft; length = 70 ft
C. Width = 42 ft; length = 46 ft
D. Width = 56 ft; length = 120 ft
Answer: A
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Give an appropriate answer.A bee was flying downward along the curve that is the intersection of 
with the plane y = 1. At the point 
the bee went off on the tangent line. Where did the bee hit the yz-plane?
A. (1, 0, -19) B. (0, 1, 25) C. (0, 1, -8) D. (0, 1, -19)
Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m B. 18.1 m C. 19.6 m D. 64.6 m
Graph the quadratic function. Determine the vertex and axis of symmetry.f(x) = x2 + 2x - 3
A. vertex: (1, - 4)
axis of symmetry: x = 1
B. vertex: (- 1, - 4)
axis of symmetry: x = - 1
C. vertex: (1, - 4)
axis of symmetry: x = 1
D. vertex: (- 1, - 4)
axis of symmetry: x = - 1
Find the best buy (based on cost per unit).Brand X: 20 oz for $3.20Brand Y: 16 oz for $2.40
A. Brand X B. Brand Y C. Not enough information D. Equal value