Gabi has 8 boxes of compact discs on each 6 shelves each box contains 10 cds. How many cds does gabi have

Simplify the expression 10/11(22z) + (a+5) -1

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.