Write the explicit formula for the sequence. -1, 4, -16,

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.