What is -5 + 8?
3
Simplify the following expression fully: 2a + 3b + 4a - b.
6a + 2b
Round 14.7 to the nearest whole number.
15
What is the result of (-4) X (-7)?
28
Expand the bracket: 3(4x - 5).
12x - 15
Calculate the following: 4.5 X 10^2.
450
Calculate using the correct order of operations: 12 - (-6) X 2.
24
Solve this equation for x:
x + 7 = 15.
x=8
Round 56.824 correct to 1 decimal place.
56.8
What is the Lowest Common Multiple (LCM) of 6 and 8?
24
Solve this multi-step equation for x:
2x - 4 = 16.
x=10
Round the number 8452 correct to 2 significant figures.
8500
If the temperature in a freezer drops from 4 degrees to -9 degrees, what is the total change in temperature?
13 degrees
Using the formula y = 3x - 2, find the exact value of y when x = 5.
13
What is the final value of 0.035 X 10^3?
35