Greg was adding numbers on a number line. he started on –5 and then he added –8. greg wrote that the answer was +13.
is greg's answer reasonable?
a.
no, it is not reasonable because –5 + –8 = –13.
b.
yes, it is reasonable because –5 + –8 = +13.
c.
no, it is not reasonable because if you add two numbers you will get a number that is greater than either of the two numbers.

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

What is the interquartile range (iqr) of the data set represented by this box plot?