If x represents a number, then write an expression for three times the sum of x and 10

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years