Which pairs of numbers are relatively prime? select all that apply.
12 and 25
12 and 27
14 and 21
15 and 32

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle