Find the cross-product and determine whether the proportion is true or false. = 

A. 55.125 = 55.125; true
B. 36.75 ? 82.6875; false
C. 54.75 = 36.75; true
D. 55.125 ? 55.125; false


Answer: A

Mathematics

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Write the statement in symbolic form and construct a truth table.Let p: The doctor prescribed medicine.  q: The patient has recovered.The doctor did not prescribe medicine, but the patient recovered.

A.

TT F  T
TF FF
FT TF
FF T  F

B.
TT F  T
TF FF
FT TT
FF T  T

C.
TT F  T
TF FF
FT TF
FF T  F

D.
TT F  F
TF FF
FT TT
FF T  F

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Multiply or divide measurement numbers, rounding to the correct precision.43 mi/hr × 2.6 hr

A. 118.2 mi B. 112 mi C. 112.8 mi D. 111.8 mi

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Use the graph to determine whether the function is one-to-one.

A. No B. Yes

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Perform the indicated operations. Write the answer in simplest form. ÷ 

A.
B.
C.
D.

Mathematics