Answer:
$16
Step-by-step explanation:
Gary has $4. (given)
Mary has twice as many dollars as Gary, so Mary has 2×$4 = $8.
Larry has 4 fewer dollars than Mary, so Larry has $8 -4 = $4.
Gary, Mary, and Larry together have $4 +8 +4 = $16.
Answer:
The answer is "36.14%"
Step-by-step explanation:
The complete question is given in the attached file please find it.
Using z-table to find the value.

This means that between 42 and 48 months, 36.14 % of scanners could be predicted will break down.
All of them?
Or just the ones in the mddle
Answer:
1.5871
Step-by-step explanation:
According to the Question,
- we have, 7 log(15/16)+6log(8/3)+5log(2/3)+log(32/25)
The Solution, With Basic Properties of Log.
7*log15-7*log16+6*log8-6*log3+5*log2-5*log3+log32-log25
7*1.176-7*1.204+6*0.903-6*0.477+5*0.3010-5*0.477+1.505-1.3979
on Solving, We get
1.5871