What is rule of four

What is the range for this set of data 38,17,55,40 a) 2 B) 38 C) 39 D) 72

Jamal wants to know how much he will be required to put down on a house that will cost $150,000 if the lender requires a 15 percent down payment. $150,000.00 $22,500.00 $100,000.00 $50,000.00

The number of charter schools is 4 less than twice the number of alternative schools and there are 48 charter schools how many alternative schools are in the country

micheal incorrectly answered 6 out of 20 questions on his science test what percent if the questions did micheal answer correctly

Davina has a large cellar for her wine bottles and also a small fridge dedicated to wine storage in her kitchen. Davina drinks one bottle per day.

The next number in the sequence - 5,-2,4,13 is 25. Is this conjecture ruse or false? A. False B. Not enough info provided. C. True

Consider the system of linear equations. 5 x + 10 y = 15. 10 x + 3 y = 13 To use the linear combination method and addition to eliminate the x-terms, by which number should the first equation be multiplied? - 2 Negative one-half One-half 2

Assume that a student's alarm clock has a 11.2 % daily failure rate. What is the probability that the student's alarm clock will not work on the morning of an important final exam?

Whats the area of a 7in by 5in triangle

What is the answer to this equation 2/7*3