Paul weighs 36 kg. Felix weighs half as much as Paul, and Frank weighs 4 kg more than Felix

Which shows one way to determine the factors of  x3  +  5x2  –  6x  –  30 by grouping? x(x2  –  5)  +  6(x2  –  5)x(x2  +  5)  –  6(x2  +  5)x2(x  –  5)  +  6(x  –  5)x2(x  +  5)  –  6(x  +  5)

How are sas and sss used to show that two triangles are congruent?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.