What is the 30 60 90 rule and the 45 45 90 rule (to do with triangles)

In a bag there are four more red marbles than green marbles in the bag. How many marbles of each color are in the bag?

How would you use an inequality to show how much money you need to save per week for a pricey item?

What jobs careers are in same argiculture

Find f (2) and f (a+h) when f (x) = 3x^2+2x+4

Randy school requires that there are two adult chaperones for every 18 students when the students go on a field trip to the museum if there are 99 students going to the museum how many adult shop around our need it

Calculate the amount earned if simple interest is paid on R2500 at 8.5% per annum for 4 years

Which expression is equivalent to 5 (8+9) ?

The number 900 has an interesting property in that the only primes that divide into it evenly are 2,3 and 5. Whatare the next two numbers after 900 that also have this property

4. Corrupt professor Z has a class of 50 students. He needs to give exactly 10 A's. However five students already have a special deal (they are professor Z's nephews and nieces) and will get A's for sure. How many ways can the 10 A's be distributed?

A car can travel 300 miles in the same amount of time it takes a bus to travel 180 miles. if the rate of the bus is 20 miles per hour slower than the rate of the car, find the average rate for each