Eva thinks she can save wafer by having a shower instead of a bath. Evas shower: uses 10.8 litres per minute and lasts for 8 minutes. Eva assumes that the water in her bath is in the shape of a cuboid with the measurements of: length: 110cm width: 50cm and height: 35cm 1000cm cubed=1 litre. Using Evas assumption, work out how many litres of water she saves by having a shower instead of a bath.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

What are the domain and range of the function f(x)=2^x+1