The correct answer would be b. range. you take the largest amount and subtract the smallest amount giving you the range.
.66 is 66 out of 100. "out of" means divide
66/100
We can reduce this by dividing each number by the same amount - 2
33/50
Answer:
The 3rd term would be the parenthesis to the 7th power.
Answer:

Step-by-step explanation:

Answer:
95
Step-by-step explanation:
let x be his mark in the fourth test, then
mean =
= 83 ( multiply both sides by 4 )
83 + 81 + 73 + x = 332
237 + x = 332 ( subtract 237 from both sides )
x = 95