The equation x^2+18x=27 has two solutions. The positive solution has the form \sqrt{a}-b for positive natural numbers a and b. What is a+b?

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay