Find

∫^[infinity]_-[infinity] x / (1+x^2) ^2 dx.

Robert planted 18 daffodil bulbs and 24 tulip bulbs in his garden last winter. If all the bulbs sprout and bloom this spring, what will be the ratio of tulips to daffodils in Robert's garden? Express as a simplified ratio.

Convert 32 cm to in STEP BY STEP

Based on the graph of the regression model, which is true? The number of weeds is decreasing by a multiplicative rate. The number of weeds is increasing by a multiplicative rate. The number of weeds is decreasing by an additive rate.

Which terms complete the factorization of x2+27x+162

A photograph is reduced by a small factor of 3/8. if the origanal lenght of the photograph was 20 inches. what is the lenght of the reduced photo

What is 39009909 times 339494

What is 13,507,804 in standerd form

You have $500 in a saving account that earns 3% simple interest per year. How much money will be in your account in 10 years

Janet has $120. If she saves $20 per week, in how many days will she have $500?

Bob is trying to decide between two cell phone plans. Plan A has no flat fee, but the user must pay 10 cents per minute on the phone. Plan B requires a one-time fee of $20, but only requires a payment of 5 cents per minute on the phone.