Your teacher purchases 24 pastries for a class celebration, for $2 each. which integer expresses the amount he paid?

What is the standard form of -5x^2+2x^4-11+x^3+3x

What is the solution of log2  (3x  -  7)  =  3? 4 5

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?