Solve the system of equations and explain the solution:

7x + 3y = 0

21x + 9y = 0

If the perimeter of a square is 20, what is the length of the diagonal?

In a school, the ratio of musicians to athletes is 3:1. which statement is true 13 of the total students are musicians. If there are 18 people, then 12 of them are athletes. If there are 3 athletes, then there are 12 musicians.

Which cost more per issue, an 18-issue subscription for $40.50 or a 12-issue subscription for $33.60?

What is the percent decrease modeled in the function f (x) = 0.75 (0.15) ^x a) 15% b) 85% c) 75% d) 60%

Line segment 19 units long running from (x, 0) ti (0, y) show the area of the triangle enclosed by the segment is largest when x=y

If the relative frequency of getting a 6 on a dice is 0.3, how many 6's would you expect to get in 400 throws of the dice?

Jamestown Steel Company manufactures and assembles desks and other office equipment at several plants in western New York State.

In one month Jillian is made 36 local phone calls and 20 long distant calls what was her ratio of the local calls to long-distance calls for that month 3:2 9:5 2:1 9:4 Are the choices

What will 53,000 rounded to the nearest ten thousand be how do I show my work on a number line

1. 3 (2x - 5) = 55 - 4x