Answer:
B
Step-by-step explanation:
You use PEDMAS to evaluate the perfect number so in the PEDMAS it says addition then to subtraction so, the addition goes first. And when you have both addition you go left to right :)
Answer: Its d
Step-by-step explanation: the rival school has more of a variation if its avg deviation is larger.
Let her sisters age be x.
=>sister .....x
Sarah.
twice x=2x. then less than 5
=> (2x-5 )
if Sarah = 15 years
by substation, 2x-5=15
1/3<span> is </span>bigger <span>because the three in </span>1/3<span> is less than 1/4 &1/5. </span>