In country A, the first 1,000 dollar of any inheritance are untaxed. After the first 1,000 dollar, inheritances are taxed at rate of 65%. How large must an inheritance be, to the nearest dollar, in order to amount to 2,500 dollar after the inheritance tax?

If the second term in an arithmetic sequence is 4, and the tenth term is 15, what is the first term in the seq...

In a engineering, test, a rocket sled is propelled into a target. If the sled's distance d in meters from the...

If , then x = ?

A right triangle has sides in the ratio of 5 : 12 : 13. What is the measure of the smallest angle in the trian...

If k is an integer and , then which of the following could be the value of n?

How many positive integers less than 100 have a remainder of 2 when divided by 13?