Group of people are taking the train home 19 people get off the train, 17 people then get on. now there are 63 people on the train. how many were there to begin with?

What z-score values form the boundaries for the middle 60% of a normal distribution? ?

Solve the system of equations below algebraically. 5x^2 + y^2 - x + 20y - 48 = 0 x-2y+3=0 A) (0,0) and (1, 2) B) (0, 2) C) (1, - 3) D) (-3,0) and (1, 2)

Which of the following sets is closed under multiplication? A. {0, 1} B. {1, 2} C. {0, 1, 2} D. None of the sets are closed under multiplication.

If n is an integer, which conjecture is not true about 2n - 1? A. 2n - 1 is odd if n is positive. B. 2n - 1 is always even. C. 2n - 1 is odd if n is even. D. 2n - 1 is always odd.

What is the value of the variable that makes the statement true? c + (-8) + (-5) = 0 a. - 13 b. - 3 c. 3 d. 13

James can jog twice as fast as he can walk. He was able to jog the first 9 miles to his grandmother's house, but then he tired and walked the remaining 1.5 miles. If the total trip took 2 hours, then what was his average jogging speed?

One 8hr day, 5 barbers gave 120 haircuts. The barbers gave the same number of haircuts how many haircuts did they give per hr

What is the power of 10 that would exceed 987,654,321,098,765,432

How do you write 615,004 in word form

A stove that costs $695 will be on sale next week for 28% percent off its regular price. What is the amount of savings?