Make x the subject of these equations.

a(x+b)=c

8(x+a)=b

a(x-7)=b

c(2+x)=6

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?

Which strategy is used by public health to reduce the incidence of food poisoning?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.