change it to 269 then add 15
Answer:
first option
Step-by-step explanation:
Given
area = 15x - 9 ← factor out 3 from each term
= 3(5x - 3)
Thus the dimensions are 3 by (5x - 3)
a. 9m/s × 27s = 243m
b. -6°C/3hrs = -2°C/hr
Answer: 2