With water from one hose, a swimming pool can be filled in 9 hours. a second, larger hose used alone can fill the pool in 2 hours. how long would it take to fill the pool if both hoses were used simultaneously?

How many solutions does the nonlinear system of equations graphed bellow have?

You are looking for your first credit card. you plan to use this credit card only for emergencies and to pay the credit card balance in full each month. which credit card feature is most important? a. no annual fee b. low apr c. generous rewards program d. no balance transfer fee select the best answer from the choices provided

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?