Answer:
2
Step-by-step explanation:
2k+3=7
2k=4
k=2
If there are three sides and each side is 13 meters the do 13 times 3. Which equals 39 . Your answer is 39 m.
That kinda means to see how many times 4 goes into 50 and write that as a percentage. Hoped I helped
Answer:
Step-by-step explanation:
x² - 12x + a = (x + b)²
x² - 12x + a = x² + 2xb + b²
-12 = 2b and a = b²
b = -6
a = b² = 36
