Answer
27x^22-3x-1
hope this is right!!
Step-by-step explanation:
Answer:
he needs to get a 91 to have a mean score of 90
Step-by-step explanation:
add up all the known scores to get 629
let 's' = lowest test score
(629 + s) ÷ 8 = 90 [we divide by 8 because there are 7 known and 1 unknown score)
cross-multiply to get:
629 + s = 720
s = 720-629
s = 91
Answer:
1239.3 cm^3
Step-by-step explanation:
Answer:
x=7.5 y y=12.99
Step-by-step explanation:
i will try again if this is wrong
Ana' location is further away from the entrance