Please help!!!! I also need to know if it will produce a good sample... Is this problem systematic, random, or stratified?

Please help!!!! I also need to know if it will produce a good sample... Is this problem systematic, random, or stratified?

I forgot my textbook at school someone please help with child development credits please ... URGENT

show your work or explain how you got your answer

in 1989 the average price of a gallon was 0.93 cents. in 2007 the average price of a gallon was 2.77. find the percent change.

My parents and I want to start homeschooling, but with a professional teacher. Is this possible? And how does it affect college? thanks so much

Einstein's famous formula states that E = mc squared. Rewrite the formula with c as the subject. please help and show all your working out! Thank you very much!!

I am a academically gifted student and can learn faster than most of the kids in my grade. My friend is homeschooled and herI'm has said that she would love to homeschool me. I have BEGGED my mom...

Describe the graphs of the functions f(x) = 2x - 1 and g(x) = -2x - 1. Compare and contrast the domain and range of f(x) and g(x).

Solve the following equations: a) 2x + 1=7 b) 2x - 9 =25 c) 5x - 20 = 3x - 8 d) 4r - r over 4 = 15 and the r is above the 4 and the four is under a line! Sorry...

Remove the brackets from: (5x + 3)(x-4) (2x-1)2 please help and show all your working out, thank you very much!

Use the trial and improvement method to solve the equation 2xcubed+5=24. Find a solution that is a positive number give your answer correct to one decimal place. ease help and show working...

Make y the subject of 4y-2x=17 and 2y over 3-x=z (by over i mean that 2y is above 3 and 3 is under the line if you know what it mean!) please help and show working out! thank...

One side of a rectangle is 2 cm longer than the other. The perimeter of the rectangle (that is, the distance all the way around the edge) is 24cm. How long are the sides of the rectangle? please...

I need help with my algebra work, i'm home schooled and my mum doesn't know how do do algebra, please help! Make y the subject of: 4y-2x=17 And 2y...