how to calculate the price of bond where we don't have yield to maturity??

for e.g: A bond has a face value of 1000 with a cupon payment of 65/year and 30 years maturiy?? Price of the bond would be??

Determine the value of a $1,000 denomination Bell South bond with a 7 percent coupon rate maturing in 2o years for an investor whose required rate of return is:
a. 8 percent
b. 7 percent
c. 5 percent