Answer:
all work is shown and pictured
Answer:
am going with A. because it's not D or C
Step-by-step explanation:
First abswer is 51700
Sexond answer is 10340
Answer:
cosR = 
Step-by-step explanation:
assuming the right triangle has ∠ Q = 90° with legs 5 and 12
then this is a 5- 12- 13 right triangle with hypotenuse PR = 13 cm
then
cosR =
=
= 