hye you want answer of this question ?
Answer:
Step-by-step explanation:
x + 7 ≤ -9 subtract 7 from both sides
x≤-16 this is your answer
If you're plotting it will be (-∞,-16]
312 greeting cards in 24-card boxes require 13 boxes.
312/24=13
25 since 150 is equivalent to 25