Which sequence is recursively defined by: A (n) = A (n - 1) - 4
A (1) = 13
A: 13, 17, 21, 25, ...
B: 4, 17, 30, 43, ...
C: 13, 9, 5, 1, ...
D: -4, 13, 30, 47, ..

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Which expression shows the sum of the polynomials with like terms grouped together