In math is -7 equivalent to 7

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base