Answer:
Z=2
Step-by-step explanation:
Z8=16
Z=16/8
Z=2
√25/4=5/2 because 5/2 times 5/2 equal 25/4. Hope it help!
Answer:A that is what I think the answer is
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