Answer: a=60
Step-by-step explanation:

AS we know COSINE =PERPENDICULAR /BASE
SO ACCORDING TO ABOVE IMAGE
PERPENDICULAR is 5 ft
AND BASE
is 8 ft
so now cosine A = 5/ 8
MEAN THE CIRRECT ANSWER IS (D)
HOPE IT HELPED YOU
Answer:
y=-x +4
Step-by-step explanation:
y-2= -1(x-2)
y-2=-x +2
y= -x +4
80, 50 times 9.90 is 495 and 80 times 5.30 is 424, 424 + 495 = 919