In which line is a mistake first made when solving the following system of equations by elimination for x? 5x + 3y = 12 4x - 5y = 17

Line 1

25x + 15y = 60

4x - 5y = 17

Line 2

25x + 15y = 60

20x - 15y = 85

Line 3

45x = 145

Line 4

x = 29/9

R - 5/9 = 2/9 what does r equal

There is only one city in Delaware county and that is dunston. The population of dunston is 6549. There are 43118 people living in Delaware county but not in dunston. What is the total population of Delaware county.

What is the answer to 739 rounded to the nearest hundred is

Solve 5n-7p+3n=25p for n

Round 2.767.545 to the nearest ten

2^3 · 3 · 5 is the prime factorization of what number?

14 boys and 21 girls will be equally divided into groups what is the greatest number of groups that can be created with no one being left out

A step function h (x) is represented by y = - 2⌊x⌋. Which phrase best describes the range of the function h (x) ?

Russel throws a soda from the balcony of his house to his friend Jones in the pool. If the soda is released 20 feet from the ground, and is thrown with a downward velocity of 2 ft/s, how long till the soda hits the pool, ignoring air resitance?

Which two physical quantities should be known to calculate the density of an object? A. Mass and volume B. Volume and weight C. Weight and length D. Mass and weight