Simplify the expression. Write the answer using scientific notation. (9*10^7) (7*10^9)

Anyone know the answer to this simple little equation? It's giving me a bit of a tough time ... 3x^2 (4x-7)

A board game has a spinner divided into sections of equal size. Each section is labeled with a number between 1 and 5. What is a reasonable estimate of the number of times the spinner will land on a section labeled 5 over the course of 150 spins

Bella made $21 selling bracelets. She wants to know how many bracelets she sold.

X + 23 = 56 solve for x

What is the vertex of the graph of f (x) = x2 + 4x + 6?

What is the least common multiple of 6,12, and 15?

4/7 = 5/p. What is P? Pleas solve and show you r work!

How do you solve x=-1,0,2?

Find the product or quotient 8 (13.2)

At Western High School, 24% of students are in twelfth grade. There are 624 students in twelfth grade. How many students attend the school? Explain your answer using complete sentences.