The sum of five times a number and seven is equal to twelve. A) 5n + 7 = 12
B) 5(n + 7) = 12
C) (5n)(7) = 12
D) 5+n + 7 = 12
What’s the answer

Is the square root of 4 plus the square root of 16 rational?

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?

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document