What is the solution to the linear system y=-5x-21 and y=7x+15

Five students are seated in a circle. Each student has either a red disc or a green disc painted on her forehead. Each student can see the other four discs, but not her own.

The length of a rectangular fenced enclosure is 12 feet more than the width. If Farmer Dan has 100 feet of fencing, write an inequality to find the dimensions of the rectangle with the largest perimeter that can be created using 100 feet of fencing.

What is the difference when the product of 0.3 and. 04 is subtracted from the sum if 0.3 and 0.4?

6,000 = bu + 4,000. Given the above equation with constant b, what is the value of 600,000 + 100 bu + 400,000 in millions?

Which number is relatively prime 9 and 24, 12 and 25, 18 and 39, or 24 and 45

Find two numbers a and b whose sum a+b is - 4 and whose difference a-b is - 4.

Number 22. Find the x - and y-intercepts of 5y - 3x=15 A. x-int 5 Y-int 3 B. X-int - 5 Y-int - 3 C. X-int - 5 Y-int 3 D. X-int 5 Y-int - 3

It must exceed seven. x < 7 x ≤ 7 x > 7 x ≥ 7

What numbers are members of both the set of whole numbers and the set of integers?

What is the value of K? 1/2k + 6 = 4K - 8 A.-4 B. - 3 C. 3 B. 4