They are said to be proportional.
Answer:
A). No triangle.
Step-by-step explanation:
In order to construct a triangle the sum of any 2 sides must be greater than the third side.
Here 5 + 8 ( =13) is less than the 3rd side, which has a length of 15.
Answer:
£199.95
Step-by-step explanation:
100% - 69% = 31%
31% of £645
= 31/100 × £645
= 0.31 × £645
= £199.95
= £199.95 is the final answer as it cannot be rounded off to 2 DP.
Answer:
60
Step-by-step explanation:
You first have to do the parenthesis
(5-7)= 5-7= -2
Then just multiply -30 by -2
Since negative x negative = positive, the answer will be positive.
(-2)(-30)= -2 x -30= 60
60