If the sides of a square are increased by 3m, the area becomes 64 m. find the lenght of a side of the original square

5m.

Step-by-step explanation:

take the square root of 64 to find the length of the sides of the new square (8) and subtract 3. 8-3=5

77

step-by-step explanation:

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: