5. I think of a number, multiply it by 5, subtract 2, subtract the original number, and then halve it. If the starting number was x, give an expression for the final answer, as simply as possibly.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

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

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1