A company prints n books at a cost of $9 per book. Write an expression to represent the total cost of printing n books.
9n
200
The _________ of -3 is 3.
absolute value
200
Write a word phrase for:
5b-10
10 less then the product of 5 and b
200
4 + (-7)
-3
200
15 - (-24) =
39
200
A submarine cruising at 32 m below sea level, or -32, descends 16 m. What is the new depth?
-48 m
300
A ___________ __________ is less then zero.
negative number
300
Evaluate the expression:
x(8 - y) for x = 7 and y = 5
21
300
-11 + 23 =
12
300
24 - 56 =
- 32
300
In Loma, Montana, the temperature increase 103 degrees in a 24-hour period. If the lowest temperature on that day was -54 degrees, whaat was the highest temperature?
+49 degrees
400
The sum of 2 negative numbers will be ___________.
negative
400
Evaluate the expression.
5fg for f=6 g=10
300
400
- 11 + (-5) + (-8) =
-24
400
23 - (-12) - 8 =
37
400
What's the error? a student worte an algebraic expression for "5 less than the quotient of a number n and 3" as (n-5)/3. How should it be written?
(n/3) - 5
500
To subtract an integer, add its __________.
opposite
500
Evaluate the expression:
3s + (-24) - 2y for s=6 and y=8
-22
500
(-12 + 4) + (12 + -4) =
0
500
23 - 12 - (- 43) - 56 =
-2
500
Treston opens a checking account by putting a starting deposit of 250. Through out the week he spent 12.23 on food, 45 on gas, 15 at the movies. He got paid on Friday and deposited 183.68. What is his remaining balance?