Answer:12+12 Step-by-step explanation:
24
Answer:
Length of QR = 7
Step-by-step explanation:
20 - 13 = 7
Answer: a = 36 and b = 9
Explanation:
(6x-3)(6x+3)
= 36x² - 18x - 18x - 9
= 36x² - 9
(6x-3)(6x+3) = ax² - b
36x² - 9 = ax² - b
a = 36 and b = 9
Hope it helps!