Trufant is yoleni's older brother. the sum of their ages is 47. the difference of their ages is 9. how old are trufant and yosleni?

For the equations below which statement is true ? -2x=14 6x=-42

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.

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)