Which of the following is a coefficient in 8х + 7y

а.) 8x

b.) 8

c.) y

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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