Answer:
b
Step-by-step explanation:
add 5+3 then add 1/2 plus 3/4
Answer:

Step-by-step explanation:
sinx = 
The hypotenuse = 25 since 7, 24, 25 ← Pythagorean triple
Hence
sinx = 
(x+12)^2 = 0
x + 12 = 0
x = - 12
Answer:
$3.75
Step-by-step explanation:
$12.50-$8.75=$3.75
Hope this helps!