Z/4 + 1/12= z/3- 1/6
Z=3
(First one)
Let b = blue ribbon and r = red ribbon.
3b/2 = r
3 * 30 / 2 = 45
r = 45
Answer:
what's the question?
Step-by-step explanation:
Answer:
169
Step-by-step explanation:
13*13=169
We can split the two 13's up:
(10+3)(10+3)
Multiply 10 with 10, 10 with 3, 3 with 10, and 3 with 3.
Basically, just multiply every single term together.
100+30+30+9
100+69
169
Hope this helps!