Which step is needed to finish the equivalent expression? 5 m minus m + 7 minus m minus 4 = 5 m minus m minus m + 7 minus 4 = (5 minus 1 minus 1) m + 3 = blank

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

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?

Explain why the factor 1.5 is broke. into two numbers in the model.