To get the area of a square, You just square one side or multiply 2 sides, I'm not sure what the rounding is, but 6.25 times 6.25 is 39.0625
Answer:
-30
Step-by-step explanation:
let Sarah's number be X
x-15=15x
15x*-5=105
-75x=105
-x=105-75
X=-30
I think
hope it's helpful!
Answer: 8
Step-by-step explanation: As the woman is not looking and assuming that the probability of taking a red ball is the same of a blue ball, she must select 8 balls to be sure she has at least 3 blue balls.
Because at the case of selecting 5 red balls in the first 5 selects and to have at least 3 blue ones in her hand, she will select the third blue ball at selection number 8.
8x-6x then add 4 =14 then divide by 2 =7
