I need step by step to simplifying - 7.9+8.2-3.4+2.1

When is the sum of two integers with different signs positive? Explain

Rodney is given two linear equations: x - y = 11 and 2x + y = 19. What is the value of x in the solution to the system of equations?

Explain how you csn tell 5/12 is less than 1/2 without using a model

Let f (x) = 16x^2-x. Find f (x+1) - f (x)

Let g (x) be the reflection of f (x) in the x-axis. What is the function rule for g (x) ? Let g (x) be the reflection of f (x) = 3x + 12 in the x-axis. What is a function rule for g (x) ? A. g (x) = 3x + 12 <---** B. g (x) = - 3x + 12 C.

Your macaroni and cheese recipe calls for 1 2/3 cups of milk. You're having company and you need to quadruple the recipe. How much milk will you need?

Math will give medals Which of the following are reasonable answers for the product of two negatives and a positive? 20 10 -20 -10

Ashely walks 2 1/2 miles around a lake around three times a week. If Ashley walks around the lake in 3/4 hour, what is her rate of speed? (Hint: Use the formula r = d/t, where the r is rate, d is distance, and t is time.

Solve for d. h + 4 d = 5b A) d = bh + 5 B) d = h 5b C) d = h + 4 5b D) d = h - 4 5b

Kate jump 225 times in 3 minutes