For each sequence, find the first 4 terms and the 10th term. a) n2+ 3
4
7
19
103
b) 2n2
201
33
19
5​

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?