On the first birthday of their son, parents deposit $529 in his new account on each subsequent birthday, the new deposit is increased by $63 what would the value of the deposit on his 21st birthday be?

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

The customer price index(cpi), which measures the cost of a typical package of customer goods, was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely. use data points to find such a line and then estimate the requested quantities

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.