Answer:
70.6
Step-by-step explanation:
The mean is the average of a set of numbers.
To find it, add up all the terms and divide it by the number of terms.
70 + 67 + 79 + 66 + 64 + 80 + 64 + 75 = 565
565 / 8 = 70.625
Rounding this to the nearest tenth, we get an answer of 70.6
Answer:
200
Step-by-step explanation:
55 / 5x = 20
5x=1100
x=200
Answer:
30
Step-by-step explanation:
= 170 + 15 - 5 (3+16) - 64 + 4
= 170 + 15 - 95 - 64 + 4
= 30
Answer:
a) -4^8
Step-by-step explanation:
Answer:
9 (5x-1)
Step-by-step explanation:
you have to add 3x and 2x