T. J. invests $8,100 in an account that earns 7.2% compound interest.
If T. J. does not make any additional
deposits or withdrawals, how much
interest will he earn after 7 years?

X+y=-4 x-y=2 use elimination with adding and subtraction

What is the value of x in the equation7x+2y=48 when y=3

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?