Suppose a and b are 2 x 4 matrices. which of the following are the dimensions of the matrix a – b?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z

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.