What is 73 3800 + 50 subtracted by 23559

Which of the following vectors are orthogonal to (2,1)? check all that apply

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?

Round each of the decimals to the nearest hundredth a. 0.596 b. 4.245 c. 53.6843 d. 17.999