A line passes through (10,5) and (13,-4). Write the equation of the line in standard form. OA 3x-y=5
OB. 3x - y = 25
OC 3x + y = 25
OD 3x + y = 35

answer: the first graph

step-by-step explanation:

step-by-step explanation: if she dances 25 minutes longer then runs she would have dance 25 more minutes of running and 30 minutes of dancing to add up to 55

answer: $53750

steps:

list the principal and interest after the n-th year:

n       principal   simple interest

1     12500     375

2     25000     750

3     37500     1125

4     50000     1500

sum: $50000     $3750

total at end of year 4: $53750