Which numerical expression provides the solution to the equation 7x2 + 4x – 8 = 14?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Prove that 16^4-2^13-4^5 is divisible by 11.

On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee. how many customers ordered a large coffee? enter your answer in the box.