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1 point An 15 V automotive coil has 600 turns of wire in the primary circuit.  The secondary voltage is 10,000 V.  How many secondary turns are in the coil?  [Hint: The ratio of secondary voltage to primary voltage equals the ratio of secondary turns to primary turns.]

1 point Round the following number to the nearest ten. 1,785,692    

1 point Solve the equation and check.

1 point How many significant digits are in 4400 lb?

1 point Express the ratio in the lowest terms. 18 : 45

1 point Express the ratio in the lowest terms. 25 : 75

1 point Solve the equation.

2 point Find the equation of the line with the given slope and y intercept. [Hint: ] m = (3/4),   b = 2

1 point A can contains 20 oz of tomato sauce.  How many grams (gm) does the can contain?  [Hint: 1 oz = 28.3 gm]

1 point Let y = 2x + 15.  If x = -4, find the value of y.