The bird population on an island is declining at a rate of 4% per year. the population was 2700 in the year 2015. which answer is the best prediction of the population in the year 2020? use the formula b (1−r) t, where b is the initial amount, r is the rate of decline, and t is the amount of time in years

What is this inequality notation? t is less then or equal to 2

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

How to use order of operation in 20 divide by 4 multiply 5 = 1