How many solutions does this equation have 10+5x/15=4

For what values of b will f(x)= logbx be a decreasing function? (16 )

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?