The first term of a geometric series is 3, and the sum of the first term and the second term is 15. what is the sum of the first six terms?

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Abcd is a square. what is the measure of angle bac

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.