john and Mary Billings own a condominium with an assessed value of 110,000. if the tax rate is 25 mills per 1.00 of assessed valuation. how much tax do they pay?​

Is a positive integer raised to a negative power always positive

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.