Ihow can i write all the names that apply to 7/8 0 5.45 0.75 -18/6 and square roots of 24 36 and -100

Find the value of x for which abcd must be a parallelogram -9-6x x-30

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle