Simplify
2x + 3y + 4x + y
6x + 4y
Convert 10.2m into cm
1020 cm
Find 10% of 450
45
Simplify the following expression.
(a^3)^5
a^15
What is the probability of rolling a '5' on a fair six-sided die?
1/6
Simplify:
a4 x a5
Expand
5 (k - 3)
5k - 15
84 cm2
In the last test, a student score 16 out of 40.
What is their score as a percentage?
40%
Solve:
6 + 8 x -2 - 3
-13
What is the probability of randomly selecting a vowel if one letter is selected from the letters in the word:
GRADUATION
5/10
Simplify
(3a)^2
9a2
Simplify
6x2 - 7x - 2x2 - 3x
Find the area
140 m2
Increase $500 by 18%
$590
Find the value of x.
10 km
A group of people are surveyed about the type of pets they own.
What is the probability that a randomly selected person owns a pet?
22/29
Simplify
(8a^2b^3)/(4ab)
2ab2
Expand and simplify
(x + 4)(x + 6)
x2 + 10x + 24
Find the area
Alice, Ben, and Carina share $225 into the ratio 2 : 3 : 4.
How much did Ben recieve?
$75
Solve the following equation to find the value of x.
12x - 5 = 4x + 11
A group of people are surveyed about the type of pets they own.
What is the probability that a randomly selected person owns a cat, given that they own a dog?
10/19
Write with positive index:
a^-2
1/(a^2)
Expand and simplify
5(x + 3) - 2(x - 4)
3x + 23
Find the volume
8^2 * pi * 30
A train is travelling at an average speed of 180 km/h.
If the journey from Elftown to Candylane takes 1 hour and 25 minutes, how far apart are the two places?
255 km
What is the value of sin 30?
1/2 or 0.5
30 people are surveyed.
8 people do not own a pet.
There are 12 dog owners and 13 cat owners.
How many people own BOTH dogs and cats?
3
(a^4b^2c^3)/(a^6bc^7)
Simplify the following. Write your answer as a positive index.
(b)/(a^2c^4)