Anumber consists of two digits .when it is divided by the sum of its digits , the quotient is 6 with no reminder. when the number is diminished by 9,, the digits are reversed .what percent of original number is more or less than reversed number?

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.