A) Here is a number machine.
Input
Output
n
+ 2
x 3
+ 9
Write down an expression for the output when the input is n.
b)
Here is another number machine.
Input
Output
Х
+4
4x + 5
What operations should go in the boxes to make it work?

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice