If the interest on investment is $44 when the interest rate is 5%. find the interest when the rate is 8.4%.

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?