Example of when you would use the friendly numbers strategy to subtract

Find the condition that one root of the quadratic equation may be 1 more than the other.

A circle with circumference 20 has an arc with a 72º central angle. What is the length of the arc?

Simplify the following expression: (-4) (-2) (-3)

Factor factorization of 9

If y = x + 5 were changed to y = x + 9, how would the graph of the new function compare with the first one? O A. It would be shifted down. O B. It would be shifted up. O C. It would be shifted right. O D. It would be steeper.

David found and factored out the GCF of the polynomial 80b4 - 32b2c3 + 48b4c. His work is below. GFC of 80, 32, and 48: 16 GCF of b4, b2, and b4: b2 GCF of c3 and c: c GCF of the polynomial: 16b2c Rewrite as a product of the GCF: 16b2c (5b2) - 16b2c

What number should be added to both sides of the equation to complete the square? X^2-10x=7

Y+4=2 what is the answer for y

25.5% as a fraction in simplest forms

A certain junior class has 1,000 students and a certain senior class has 800 students. among these students, there are 60 sibling pairs, each consisting of 1 junior and 1 senior.