Determine the measurement of the following ruler: (Hint: Don't forget to include units on all measurements! Assume the ruler is marked by cm.)

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _