10 planes arrive at an airport during one afternoon .6 plannes arrive full and carry 280 passengers .3 more planes carry 250 pass...
use firt principle to solve 2x^2 + 1
ordering fraction for 6/7,1/7,2/7,5/7
Find a
2^4=8^a
(2x-13)*(x-5)^2
++-*99*-*8*-*/
9/10÷1 1/3 of 9/20
29.94*0.5
how can I make 5^9 become a power of an exponent of 10 without changing its result?