A = 12 and b = 25 ,what Is the area of the pencil

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

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?