Solve using the quadratic formula. If the equation has no real solutions, write "no real-number solutions."x2 - x = -56
A. -7, 8
B. no real-number solutions
C. -7, -8
D. 7, 8
Answer: B
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Use the data in the table to construct a bar graph.The following table shows the average amount spent per week on groceries by four different families with three members.
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Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 30 feet and the height of the arch over the center of the roadway is 13 feet. Two trucks plan to use this road. They are both 12 feet wide. Truck 1 has an overall height of 
and Truck 2 has an overall height of 
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Truck 2 can pass under the bridge, but Truck 1 cannot. B. Both Truck 1 and Truck 2 can pass under the bridge. C. Truck 1 can pass under the bridge, but Truck 2 cannot. D. Neither Truck 1 nor Truck 2 can pass under the bridge.
The earth rotates through one complete revolution every 1,440 minutes. Since the axis of rotation is perpendicular to the equator, you can think of a person standing on the equator as standing on the edge of a disc that is rotating through one complete revolution every 1,440 minutes. Find the angular velocity of a person standing on the equator. ? If the answer needs rounding, round it to five decimal places. ? __________ rad/min
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Find the indicated cross product.v = -6i + 3j + k, w = 3i + 6j - kFind w × v.
A. -9i - 3j + 36k B. 9i + 3j + 45k C. 45i - 9j + 9k D. -3i - 9j + 45k