What is the simplified form of this expression?

(-3x2 + 2x - 4) + (4x² + 5x + 9)

12k+5=k+49 what's the answer

Write 39,005 in expanded form

Solve the compound inequality 8x > - 32 or 6x ≤ - 48.

Martha tries to exercise at least 30 minutes eac day write an inequality to represent the number of minutes Martha exercises each day

Lynnette can wash 959595 cars in 555 days. How many cars can Lynnette wash in 111111 days?

Read the sentence. The elbows of my favorite shirt are completely soiled with soil. How do you know the definition of the bold word is "dirty"? Question 4 options: The word completely is an adverb modifying an adjective.

Solve for y: y + 8 = 2

What is the vertex for f (x) = -x^2

Solve for x. -3x - 8 = 10

Porfa ayudenme con este ejercicio. Rosita tiene que escoger una camisa roja, una camisa negra, una camisa azul, un pantalon negro y un pantalon azul.