Use a calculator to verify that Σx = 131, Σx2 = 6783, Σy = 153, Σy2 = 4895, and Σxy = 3233. Compute r. (Round your answer to three decimal places.)

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

30005

yes ok                                            

40 x 50 = 2000

step-by-step explanation:

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13