Topic 5
6(-2c + 8)
-12c + 48
Find 20% of 400
80
(x7)2 =
x14
x2 = 400
x = +-20
(4)(-11)=
-44
-8(9r-7)
-72r+56
What percentage is 14 out of 400
3.5%
∛-27
-3
Convert to standard notation: 7.2 x 104
72,000
Is -8.5 a rational number?
Yes, because it can be divided.
Mitsuri started with $217 in her bank account. She deposits $25.50 each week and never withdraws any money. What expression can Mitsuri use to determine her account balance after w weeks?
217 + 25.50w
What is 3% of 200
6
A store sells a package of 25 trading cards for $5.25. What is the cost of one trading card?
$0.21
62 x 611 =
613
-48/6=
-8
Find the GCF of -4x - 20.
4
If a new car costs $45,000 and the sales tax is 7%, how many dollars would any buyer pay in sales tax?
$3,150
x3 = 1,000
10
58 x 128 =
608
-30/-5
6
The cost to rent a scooter is $15.50 per hour and the cost to rent a watercraft is $22.80 per hour. Use the expression 15.5s + 22.8w to determine how much it would cost to rent a scooter for 3 1/2 hours and a watercraft for 1 3/4 hours.
$94.15
Mater Dei's library has 5,000 books. If 2,700 of those are fiction, what percentage of the books in the library are fiction?
54%
(3.1 x 104)(2.4 x 105)=
7.44 x 109
Convert to scientific notation= 0.000002.
2 x 10-6
If a cube has a volume of 27 cubic inches, what would be the length of one side?
3