Answer:
26
Step-by-step explanation:
X= Variable has the worth of zero
2x+5= 7
10x+9= 19
19+7=26
The distance is 26
Answer:
178 correct problems
Step-by-step explanation:
turn the percentage into a decimal (0.89) and multiply it by the number of questions
35 + 0.05m > 50 + 0.01m
0.05m > 15 + 0.01m
0.04m > 15
m > 15 x 25
m > 375
You must send more than 375 messages.
Tripiling time is

t=time elapsed
r=tripling time
P=initial amount
so

when time is measured in minutes
if measured in hours then

or
Answer:Answer is B.
Step-by-step explanation: