Find the simplified expression. give your answer in scientific notation (8 x 10^4) (9 x 10^-8)

9+61 is the same as blank + 60

Solve the system of equations. 3x 2 y = 2 x+7y=4

Write the word sentence as an equation. Number c increased by 6 is the same as 23

What is the simplest form of the expression for the side length, in feet?

For the equation y = 6x2-9x+22, choose the correct application of the quadratic formula. x equals negative six plus or minus the square root of six squared minus four times negative nine times twenty-two, all divided by two times negative nine x

A cube and the net for the cube are shown. What is the surface area of this cube? It is a 9 by 9 by 9 inch cube. A. 54 in² B. 81 in² C. 324 in² D. 486 in²

A compact disc is designed to last an average of 4 years with a standard deviation of 0.9 years. What is the probability that a CD will last less than 3 years? 1.11% 13.35% 86.65% 100%

Solve the following formula for x y = 8mx + 5b

If a scale drawing uses a scale of 1:12, wha't would 2 1/2 inches on the model represent in real life (in feet) ? 30 feet 2 1/2 feet 4 4/5 feet 4/10 feet

2 over 3 times 5 show your answer as a multiplication equation of a whole number and a fraction