Answer:
you use the pythagorean theorem
Step-by-step explanation:
P.S. im not doing your hw
Answer:

Step-by-step explanation:
Answer:
for q 19 its x=209ft and for 21 its 66.5 ft i forgot q 20
Step-by-step explanation:
Answer:-7d=13
7d=-13
d=-13/7
Step-by-step explanation:
Hope this helps!
Make sure to apply same operations to both sides.