Jeremy wants to save $130 to buy a bird bath. he has already saved $89, how much more does he need to save? write an equation and solve.

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.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Use sigma notation to represent the following series for 9 terms.