Answer:
59 F
Step-by-step explanation:
F=1.8C+32
Let C = 15
F = 1.8 (15) +32
Multiply 1.8 times 15
F = 27+32
F = 59
15 degrees C is 59 degrees F
well it would be 18/9 and that would simplify to 2 because if u divide both by 9 u get 2/1 which is 2
Answer:

Step-by-step explanation:
"At least" is inclusive, so you can be 21 years old.