Jock decided to swim 10 km up bega river. he swam 2 km every hour, then floated on his back for 10 minutes. each time he floated, the current dragged him back 1 km. how long did it take jock to complete the swim?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar(s). line m has no y-intercept, and its x-intercept is (3, 0). line n has no x-intercept, and its y-intercept is (0, -4). the equation of line m is , and the equation of line n is .