Of the 2,374 pieces produced by a particular machine,27 were defective. What percent we're defective? Round to the nearest hundredth of a percent

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Find the solution of each of the following.