Christina has $30.00 to spend at the mall. She buys a watch for 12 dollars and wants to buy some new socks. The socks are 4 dollars each. How many pairs of socks can Christina buy with the money she has left after purchasing the watch? ​

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

Extra points! find the missing dimension! need asap

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