Answer:
13
Step-by-step explanation:
there is a rule that says that if you add any 2 sides, it should be more than the third. 9+21 is greater than 13. 21+13 is greater than 9. 13 is the only number which if you add 9 to it it will be greater than 21. 12 will equal 21, but it still wont work.
hope this helps :))
Answer:
Step-by-step explanationthe answer is 19 because your trying to find 180 and your timing that 3 by what ever gets you the extra of 180 so you do 19 ×3 equaling 57 and then you add in that 123 and it all equals 180
Answer:
A
Step-by-step explanation:
The equations of the 3 lines are
2y - x = 2
y - 3x = 4
y = - 1
The solution is in the shaded area between all 3 graphs, thus
2y - x ≤ 2
y - 3x ≥ 4
y ≥ - 1 → A
Do 14÷0.375
or you can just put it in a calculator as 14÷3/8