Whats 3,684,266 to the nearest hundred thousand and million

The expression $x^2 + 3x - 28$ can be written as $ (x + a) (x - b),$ and the expression $x^2 - 10x - 56$ written as $ (x + 2b) (x + c) $, where $a$, $b$, and $c$ are integers such that $c > 0.$ What is the value of $2c - a$?

A student ran out of time on a multiple choice exam and randomly guessed the answers for two problems. Each problem had 5 answer choices - a, b, c, d, e - and only one correct answer.

Square is 19 yd.² what is the length of each side

Solve the equation. First estimate using the perfect square closest to 45. Then use a calculator. n2=45

Solve using elimination. -8x - y = - 20 x + y = 6

Which choice correctly describes this event? I will roll a standard die and land on 0. A) Certain B) Likely C) Unlikely D) Impossible

1) A survey of favorite colors showed 198 people chose green, 212 chose blue, and 187 chose red. If 39% of the people surveyed are children, ABOUT how many people surveyed were children? (use a calculator - show all work!)

Clarence writes the number - 240 to represent the amount he owes his brother Joe. What numbers should Clarence use to represent the other amounts given above?

What is the sum of - 7 and its additive inverse?

Create a slope that will be parallel to the slope provided which is 5/9 what is the parallel slope?