Draw a diagram or use FOIL to show that (2x + 5)(x + 3) is equivalent to 2x2 + 11x + 15. Use paper and pencil to work the problem out.

Find the value of the variable and the length of each secant segment.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?