Answer:
729
Step-by-step explanation:
hope this helps!
Preston have to get some correct and some incorrect answers.
The slope of -5y=2x is -2/5
<1 and <2 are complementary : given
<1+<2=90 : definition of complementary
<1 congruent <3 : given
<2 congruent <4 : given
<3 congruent <4 : transitive property
Its c 10 and other fillar so i can answer