F(4) for the function f(x)=2x+5

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?