Ella owns a small business selling clothing. She knows that in the last week 56 customers paid cash, 23 customers used a debit card, and 23 customers used a credit card. Based on these results, express the probability that the next customer will pay with a debit card or a credit card as a fraction in simplest form.

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

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?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry