calculate the variance and standard deviation for the following sample: 15,15,22,45,10,30. Round your answer to the nearest tenth.​

Which expressions are equivalent to the one below? check all that apply. 25x/5x a. 5x b. 5 c. 5x•5x/5x d. 25x e. (25/5)^x f. (25-5)^x

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?