At the grocery store, you can purchase loose lemons at 2 for $0.99. You can also buy a bag of 6 lemons for $2.50. Which is better to buy?

Whats the square root of 12356

What is the area of the following circle? d=10

Why 9/15 is rational

Julie has 2 email accounts she checks one of them every two hours the other she checks every 24 hours. She checked each account on Monday at 2pm when will she check each account at the same time?

There were 42 students who took a test in mathematics. there were 36 students who passed test 1, and there were 38 who passed test 2. find the maximum mumber of students who did not passed both tests

Given the following definitions: U = {1, 2, 3, 4, 5, 6, 7} A = {1, 2, 4, 5} B = {1, 3, 5, 7} How many elements are in A' ∪ B?

The radius of a cylinder is increased from 9 to 9.03 inches. if the height remains constrant at 12 inches. Estimate the change in volume

Sun Valley and San Jose are 105 km from each other. How far apart would the cities be on a map that has a scale of 1 cm : 15 km?

Y^2-18y+81 quadratic equation/formula

if three pipes are all opened, they can fill an empty swimming pool in 3 hours. THe largest pipe alone takes one third the time that the smallest pipe takes and half the time the other pipe takes.