Answer:
a is -1
b is 31
c is 7
Step-by-step explanation:
-x^2+31x+1=0
ax^2+bx+c=0
Answer:
4/9
Step-by-step explanation:
Answer:
It would take her 10 track practices to get up to 40 miles.
Step-by-step explanation:
Y=0.5x+800
in this equation the x is the weeks so for every week that goes by you would multiply 0.5 times that number then add the 800 original cm to get your answer (y)
Answer: get the 2 perfums in the size 50ml
Step-by-step explanation:
80ml is 55 pound
50 ml is 45 pound
2nd is half of 45 pound which is 22.5
the 2 perfum in the size 50 ml with the special price is: 45 + 22.5 = 67.5 now per ml is 0.675 pound per ml i found the price per pound by dividing the ml by the price
for the 80ml the price per ml is 0.6875