Which 3 side lengths can form a triangle 1cm,3cm,8cm
2cm,2cm,4cm
3cm,9cm,15cm
4cm,8cm,11cm

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.