500-30-4
Five Hundred Thirty four
600-80-4
Six hundred eighty four
400-20-9
Four hundred twenty nine
100-50
One hundred fifty
A)306
b)-294
this is the answer to the two questions on the provided picture
Answer:
a) 3x - 11
b) 10x + 4
Step-by-step explanation:
a) The negative sign before the (x+5) means to subtract those values. Reverse the signs. Then combine like terms:
4x –6 –x –5. 4x–x–6–5
3x –11
b) Put all the x terms together.
Put all the integers together.
Add. Adding a negative is the same as subtracting.
4x+x+5x = 10x
+6-2 = 4
Combine them:
10x + 4
Unit price = $3.84/12 = $0.32
Its B because is a situation where we note the rate at which the number of population was changing before the study