A patient presents to the ER with pain in his left shoulder that is radiating down his left arm. The patient was diagnosed with a MI (heart attack). Why would the patient experience pain in his left arm if the heart is located in the thoracic cavity? 

Which of the following polysaccharides is used as an energy storage molecule in animal cells? 

Find the vertex for the function,

Complete the square and write the equation in standard form. Then give the center and radius of the circle.

Linear energy transfer defines:

A train covers 240 km in 4 hours. What is its speed in km per hour?

A car rental company charges a base fee of $35 plus $0.22 per kilometer driven.(a) Write an equation to represent the total cost, C, for driving x kilometers.(b) How much would it cost to drive 150 km?(c) A customer has a budget of $85. What is the maximum number of kilometers they can drive?

A bottle contains 1.5 L of juice. How many 250 mL glasses can be filled?

A person walks 6 km in 1.5 hours. How long will it take them to walk 10 km at the same speed?

A construction company is laying down paving stones for a new sidewalk. Each stone covers 0.9 m², and they need to pave 135 m².(a) How many paving stones are required?(b) The stones come in packs of 10, costing $48 per pack. How many packs should they buy?(c) What is the total cost for the paving stones?