Find the missing dimension of the cylinder, Round your answer to the nearest whole number. Volume = 250 ft
Diameter is 8ft

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

Bring the fraction a/a-4 to a denominator of 16-a^2

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?