1)

5 times [3 + (16 - 4)] times 3

9

19

21

25



2)

[5 times (15 - 9] times 3

10

22

72

90



3)

what is the value of 45 + 20 times 5 - 4 times 7?

11

35

49

245


4)

which word is used to name each of the blod numbers and variables?

7c = 42

factor

product

sum

difference



5)

simplify the expression.

3 times 7 times 2 integer 3

168

84

42

21

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: