) The sum of the first twenty-one terms of a linear sequence (A. P.) is
28, and the sum of the first twenty-
eight terms is 21. Find which term of
the sequence is 0 and also the sum
of the terms preceding it.​

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.