OK I am taking my first physics class and I am not doing too great in it, but the good thing is this is only the first week of class. My question is about the speed formula. I know that the formula is S=D/T, but I still get the problems wrong even thow I plug in the numbers right. Here is an...

p = x*(1 - (1+r)^-n)/r In words: take the negative nth power of (1+r). Subtract from 1, divide by r. This gives the ratio of p to x. I need to be able to solve for n. Can someone help me with creating a formula out of this to solve for n? :confused:

I need three 17x22 inches I need two 15x41 1/2 one 20x64 three 13x18 how much wood would I need to make these shelves? is there a formula that I could use for the future? thanks

I am a software engineer. We are creating an efficiency report of employees. we have two reports detail and summary of efficiency of employees. while calculating detail report we are picking up each jobcard done by an employee . Following is the example formula applied is as follows ...