Use wien's law (see mathematical insight laws of thermal radiation) to calculate the wavelength of peak thermal emission from a sunspot..

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1