David requires at least $300 to hold his birthday party. If David can save $63 a month, how many months will he need to save to be able to afford his birthday party?

a. Write an inequality that describes this situation

b. Solve the inequality. Show all your work

c. Write your answer in a complete sentence.

∆abc is reflected across the x-axis and translated 2 units up to give the image ∆a'b'c' with coordinates a'(1, 1), b'(2, -1), c'(2, 1). what are the coordinates of the preimage ∆abc? a. a(-1, 1), b(-2, 3), c(-2, 1) b. a(1, 1), b(2, 3), c(2, 1) c. a(1, -3), b(2, -1), c(2, -3) d. a(1, -3), b(2, -5), c(2, -3)

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x