Solve the problem.Find the number of units that must be produced and sold in order to yield the maximum profit, given the following equations for revenue and cost:R(x) = 60x – 0.5x2C(x) = 6x + 7.

If angle A is 60º, what does angle C measure?

The density of a 100 g piece of iron is twice as great as the density of a 50 g piece of iron.

It would only be possible to produce at this point if more construction workers were trained.                                                                              [a1]  

In the equation A = ï °r2, ï ° (pi) is a

If v = ï ¬f, then how are ï ¬ and f related?

When Rutherford found that some of the alpha particles fired at the gold foil were widely deflected, he concluded that

The smallest unit of a covalent compound that still retains the properties of the compound is called a(an)

Scenario:A 55-year-old female with a history of hypertension presents with severe headache, tinnitus, nausea, and blurred vision. She reports she has not taken her prescribed antihypertensive medication for three days. Her symptoms started gradually but worsened over the past several hours.Phase: On SceneThe patient is alert but visibly uncomfortable, holding her head and complaining of ringing in her ears (tinnitus).Vital signs:Blood pressure: 210/120 mmHgHeart rate: 90 bpmRespiratory rate: 18 breaths/minSpO₂: 98% on room airWhich finding would prompt you to suspect a hypertensive emergency rather than urgency?

Scenario:A 55-year-old female with a history of hypertension presents with severe headache, tinnitus, nausea, and blurred vision. She reports she has not taken her prescribed antihypertensive medication for three days. Her symptoms started gradually but worsened over the past several hours.Phase: En RouteThe patient is placed on continuous cardiac monitoring. After confirming hypertensive emergency, Labetalol 10 mg IV is administered per protocol. The patient reports slight improvement in headache but continues to complain of tinnitus. Blood pressure decreases to 190/110 mmHg.What is the mechanism of action of Labetalol in managing hypertensive crisis?