The number of seahorses is 4 times the number of sea urchins. Write and solve an equation to find how many sea urchins there are in the aquarium.

Write the difference of the expressions 17x-13y+8 and 20x+6y and simplify it.

A big supermarket gives a donation of food to three local hospitals every Monday. The donation usually includes these items: 120 leaves of bread 150 l milk 200 apples 45 packets of cheese 12 braai packs of chicken Hospital A has 70 patients,

5x plus 8=3x minus 3 solve for x show your work

Is 16.6 a integer rational and is it whole

How do i figure out this problem? Order from least to greatest. 1.54,2.53,1.504,1.9?

What's the greatest common factor of 21 and 33?

Jackson and Israel are going out. Jackson rent a paddle boat that has a flat fee of $10 and $2 every hour after that. Israel rent out a small motorboat coast $4 initially and then $3 every hour after that.

If each student stirred for 25 seconds, what is the total number of seconds that all 25 students stirred?

How to factor 2p^4+9p^3-18p^2

When 23 is subtracted from the square root of three times a number, the result is 16. find the number?