Answer:
option A
Step-by-step explanation:
let the hypotenuse be x
take 45 degree as reference angle and use cos rule
cos 45 = adjacent/hypotenuse
1/ = 6/x
do cross multiplication
6* = x *1
6 = x
Equation 1 would be: 3a+2C
Equation 2 would be: 5a+3C
145 + 19t
Answer: B