Look at the symbol. Which component in a circuit does it represent? A. resistor
B. switch
C. AC power source
D. DC power source

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?