A nurse is caring for a client with a nasogastric (NG) tube and determines the aspirate pH to be 4. The nurse uses this information to determine which of the following?

Determine whether the relation is a function.{(1, -2), (-3, -1), (-3, 0), (-2, 1), (6, 3)}

Find the slope of the line that goes through the given points.(5, -5), (0, 4)

A patient with heart failure has a new order for captopril 12.5 mg PO. Before administering the first dose and teaching the patient about the drug, which statement by the patient indicates that teaching has been effective?

Add or subtract. Assume all variables represent positive real numbers.6 – 8

A nurse is reinforcing teaching with a client who is about to start subcutaneous heparin. What information should the nurse include in the instructions?

Solve.Three gift wrappers can wrap a box full of gifts in 20 minutes, 30 minutes, and 40 minutes, respectively. How long will it take them to wrap the box full of gifts if they work together? (Round to the nearest minute, if necessary.)

Determine whether the lines are parallel, perpendicular, or neither.-8x + 4y = 92x – y = 16

Divide.(9×2 – 28x – 32) ÷ (x – 4)

Divide.(12×2 – 43x – 20) ÷ (x – 4)