The half-life of a radioactive substance is 15 years. Determine algebraically, to the nearest year, how long it will take for 1/10 of this substance to remain.

Find the slope of the line y =8/9x + 1.

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid