If the circumference of a circle is 84.5 ft, find the radius.

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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