The interest on a bond is 6 1/2%. Find the principal required to earn $1200 in interest in 3 years. (Round your answer to the nearest cent.)

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

Which graph of a hyperbola represents the equation 16x^2-y^2=16