Answer:
$84
Step-by-step explanation:
Since Patrick has 2 ten dollar bills less than Brenna, then he has $20 less then Brenna. If Patrick $64, then Brenna has $84, because you would add 20 to 64. Which equals 84.
Im not 100% sure but it may be
Sin24°=x/9. multiply 9 by both sides and x=3.7