PLS HELP ASAP #9 - What was the interest rate on a 3.5-year loan of $1000 if the maturity value of the note was $1,297.50?
A. 9.5%
B. 7%
C. 5.8%
D. 8.5%

Me what is the value of x? showing work would be appreciated - ! : )

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20