Mail-order marketing companies have a response rate of 15% to their advertising flyers
a) Compute the probability that exactly 3 people out of a sample
of 20 respond to the flyers they receive.

Ihave trouble finding the nth term of a linear sequence

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Maria solved an equation as shown below. what is the solution to maria’s equation?