2x-7=11
x=9
What goes up when rain comes down?
Which one of the following records the distance travelled by a vehicle?
A. Manometer
B. Odometer
C. Speedometer
D. Motometer
When preparing the cheese for their pizzas, the cooks at David's pizza restaurant mix 5 kilograms of Parmesan cheese and 15 kilograms of mozzarella. At Josh's pizza restaurant, the cooks mix 4 kilograms of Parmesan cheese. If the ratios of David's and Josh's pizza are the same, how many kilograms of mozzarella do the cooks use at Josh's pizza restaurant?
There is a three digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. What is the number?
C=2pir and C=pid
I can be written, I can be spoken, I can be exposed, I can be broken.
x-0.22x+0.075x
The day before two days after the day before tomorrow is Saturday. What day is it today?
The food or chemical energy source made by plants through photosynthesis is:
There are 600 children on a field. 30% of them were boys. After 5 teams of boys join the children on the field, the percentage of children who were boys increased to 40%. How many boys were there in the 5 teams altogether?
My uses are changing, but I still remain the same. My interior is quiet, and stories are my game. What am I?
The preserved remains of once-living organisms are called: