Answer:
The next number is going to be 21
Slope = y2-y1/ x2-x1
Here x1 is 4
Y1 is -7
X2 is 4
Y2is 8
Slope = 8-(-7)/4-4
= 15/0
Undefined
All together: <span>3x + 0.05 + x + x + 0.10 = 7.50
5x + 0.15 = 7.50
5x = 7.35
x = 1.47
</span>1.47 +0.10=1.57<span>
so, the drink costs 1.57 </span>
Answer:
-8,-7,-5,-3,-2
-80,-40,20,60
Step-by-step explanation: