The bonds shall be authorized by resolution or resolutions of the agency, shall be in such form, shall bear such date or dates, and shall mature at such time or times as such resolution or resolutions may provide, except that no bond shall mature more than 50 years from the date of its issue. The bonds may be issued as serial bonds or as term bonds, or as a combination thereof, and, notwithstanding any other provision of law, the amount of principal of, or interest on, bonds maturing at each date of maturity need not be equal. The bonds shall bear interest at such rate or rates, be in such denominations, be in such form, either coupon or registered, carry such registration privileges, be executed in such manner, be payable in such medium of payment at such place or places within or without the state, be subject to such terms of redemption and contain such terms and conditions as such resolution or resolutions may provide. The bonds of the agency shall be sold at public or private sale by the State Treasurer at, above, or below the par value, on such terms and conditions and for such consideration in such medium of payment as the agency shall determine by resolution prior to the sale.