Decide whether the relation is a function.Tallest Roller Coaters in U.S. Amusement Parks

A. function
B. not a function


Answer: B

Mathematics

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Name the method that can be used to prove the triangles are congruent.

A. SAS B. ASA C. SSS D. The triangles are not congruent.

Mathematics

Sketch the graph of -8x + 10y = 30.


Mathematics

Solve the system by the method of substitution. ? ?

A.
B.
C.
D. No solution
E.

Mathematics

A force of 20 pounds stretches a spring 11 inches in an exercise machine. Find the work done in stretching the spring 3 feet from its natural position. ?

A.  ft-lb
B.  ft-lb
C.  ft-lb
D.  ft-lb
E.  ft-lb

Mathematics