Which equations support the fact that rational numbers are closed under addition? Select each correct answer.
o į +0.5=1
0 3 16 +3 16 = 6/16
O 3V5+ 5 = 475
O V10 + (- 10) = 0

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

An ice cream shop sells 5 times as many cakes cones as waffle cones. use x to represent the number of waflle cones the ice cream shop sells and use the variable to write an expresion for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the the ice cream shop sells