Convert 32505 into equivalent number with base 5

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

What does independent variable and dependent variable mean in math?