Your friend multiplied complex numbers and expressions as shown. find the error in your friends work. then factor the expression correctly. show work .

(4-7i)(4+7i)=16+28i-28i+49i^2
=16-49
=-33

What is the relationship between all triangles that can be drawn given the same three angles

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f