Answer: 
Step-by-step explanation:
A quadratic function is as following; 
Notice that it cannot be
because if you solve;
which eliminates the
.
Answer:
0.28
Step-by-step explanation:
Pizza is 30%, curry is 42%, so pasta has to be 28%.
Trisha = $5
beto and jeremy = $60
jeremy = ½ beto
beto = $ 40
jeremy = $20
You haven't provided any value, but I can tell you the solution set for the inequality.
First of all, expand both sides:

Add 3x to both sides:

Add 6 to both sides:

Which is of course equivalent to

Divide both sides by 9

So, every number smaller than 2 is part of the solution of this inequality.
Answer: 4/2
Step-by-step explanation: Rise over run. From point S to R it goes up 4 and over 2.