The regression equation below shows the value y, of an investment (in dollars) x years after 2013. y=647.62x+1872 Interpret the slope of the equation within the context of the problem. 

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Do the variables below have a positive correlation, negative correlation, or no correlation?   a. Circumference of head and IQ (Intelligence Quotient) has [nocorrelation].   b. Water intake and dehydration a [negativecorrelation].

Solenoid valve

Removable connection

Component case directly grounded

Male connector

Resistor to heating element

Potentiometer (pressure or temp)

Gauge