What is 1,683 divided by 20 estimating

Every rhombus is a square. true false

Hurry which expression is equivalent to 3√x^5y?

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90