Solve the equation round to the nearest hundredth if necessary 3x^2=12 a. +or - 3 b + or - 2 c. + or -3.5 d.+ or - 1.5

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.