Calculate 20% of 80 by multiplying 0.20 by 80.
What is the missing number in the sequence: 1, 4, 9, __, 25?
What is the sum of the angles in a rectangle?
The volume of a rectangular prism is 6060 cubic units, and its dimensions are 3×4×53×4×5. What is its surface area?
Solve for �x: 12(14−�)=621(14−x)=6
If a rectangle has a length of 10 units and a width of 5 units, what is its area?
If �÷4=5b÷4=5, what is the value of �b?
A store initially had 120 items. If 25% were sold, how many items remain?
If �:�=3:4a:b=3:4 and �:�=5:6b:c=5:6, what is �:�:�a:b:c?
What is the sum of the first 15 positive integers?
If �×4=28n×4=28, what is the value of �n?