Answer:you divide 90 by 4
Step-by-step explanation:
Step-by-step explanation:
the mean value is the sum of all values divided by how many values there are.
so,
(3 + -5 + 70 + -90 + -13) / 5 = -35/5 = -7
-7° F is the mean temperature of the 5 cities.
$486
18x27=486
Hope this helps :)
AB = 24
BC = 45
AC = 51
cos C = adjacent / hypotenuse
cos C = BC / AC
cos C = 45/51
Answer: Answer is -6 :-DD
Step-by-step explanation: