Antonio has 15 pennies in his pocket. five eighths of his coins are pennies how many coins are in his pocket

Find the values of y: 3y^3(y^2+ 2/3y)=0

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?