If you rubbed two balloons on your hair to charge them electrically,
would the two balloons attract or
repel one another?

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.