Perform the indicated operations.6[-7 + 7(-4 + 3)]

A. -4
B. -84
C. -0
D. -49


Answer: B

Mathematics

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The given graph is a function. Determine which of the choices is the graph of its inverse.

A.

B.

C.

D.

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Provide an appropriate response.Let A =  and B = .Does the matrix A - B have an inverse?

A. Yes B. No

Mathematics

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 38 feet and the height of the arch over the center of the roadway is 14 feet. Two trucks plan to use this road. They are both 10 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 1 can pass under the bridge, but Truck 2 cannot. B. Both Truck 1 and Truck 2 can pass under the bridge. C. Truck 2 can pass under the bridge, but Truck 1 cannot. D. Neither Truck 1 nor Truck 2 can pass under the bridge.

Mathematics

Multiply. 1 ? (-23)

A. -22 B. 23 C. 22 D. -23

Mathematics