George is going to sing 4 songs in the school program. In how many
different orders can George sing
each song once?

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

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

How to simply and write the answer n a whole number