Answer:
10 ≤ x < ∞
Step-by-step explanation:
Lucia can afford 11 hours of lessons
Second one is 2.7
Answer:
m = -3
Step-by-step explanation:
−m − 19 = 8m + 8 (Simplify equation)
−9m − 19 = 8 (Subtract 8m from both sides)
−9m = 27 (Add 19 to both sides)
m = -3 (Divide both sides by -9)