19)( don't use add maths, i don't understand)
it is estimated that the world's population is growing at a rate of 1.14% per year.
on january 1st 2014 the population was 7.23 billion.
(b) find the year when the population is expected to reach 10 billion.

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

d. vertex

step-by-step explanation:

no this is a nonlinear negative