9a+4b+4(-4a+2b)-7
what the answer

u dumb boi

step-by-step explanation:

entering that problem on the tube might get you an answer

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: