10% of 40 is .
Explain your method.

Suppose you are analyzing the relationship between time and distance given in a table,and there are 4 values for each quantity.you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer.what can you say about the relationship?

Eli won $200 in a spelling contest. his mother opened a savings account for him so he could save for a laptop computer. if the bank offers a simple annual interest rate of 4%, how much interest will eli earn over 3 years?

Find the x-coordinates where f '(x) = 0 for f(x) = 2x - sin(2x) in the interval [0, 2π].