Find the standard form of the equation of the ellipse.

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1


Answer: A

Mathematics

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Determine the number of significant digits in the given approximate number.800

A. 5 B. 1 C. 2 D. 4

Mathematics

If R is the set of real numbers, Q is the set of rational numbers, I is the set of integers, N is the set of natural numbers, and S is the set of irrational numbers, list the set(s) to which the given number belongs. If the number does not belong to any, state none.

A. Q, R B. S C. R D. S, R

Mathematics

Choose which of the following descriptions apply to the number (more than one may apply): whole, integer, rational, irrational, real.- 

A. Real, rational B. Real, whole C. Real, irrational D. Real, rational, integer

Mathematics

Solve the problem. Give the answer to the nearest thousandth if necessary.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan.  6 ft

A. 7.325 ft B. 8 ft C. 4 ft D. 6.325 ft

Mathematics