Name the property illustrated by the equation.
5a + (-5a) = 0
a.
additive inverse
c.
associative property
b.
additive identity
d.
multiplicative inverse

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

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