Due to ever-changing technology, a new xyz smartphone decreases in value 20% each year. (a) how much will this $1000 phone be worth in 2 years? (b) how long until it is worth less than 10% of it's original price?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

What does independent variable and dependent variable mean in math?