How do you explain mental math to multiple two numbers

A function g (x) = - 1/x-2. for which value of x will g (x) = 0

5 (3x-2) = 35 what does x equal?

Add (minus 2x+4) + (5x+2)

Which is the complete factorization of this expression? - 144ax - 9bx A) - 9x (16a + b) B) - 9x (16a + 9b) C) - 9x (16a - b) D) 9x (16ax - b)

Suppose you are doing a 5000-piece puzzle. You have already placed 175 pieces. Every minute you place 10 more pieces. Write a function that represents how many pieces you will have placed after a certain number of minutes.

When changing a percent to the equivalent decimal you drop the percent sign and then

Finish solving the system of equations - 9.5x - 2.5y = - 4.3 and 7x + 2.5y = 0.8 using the linear combination method. 1. Determine which variable will be eliminated: y will be eliminated because - 2.5y and 2.5y are opposite terms. 2.

An event lasts for 5 hours and 30 min how long did the event last in seconds

8) In 2007, the population of North America was approximately 5.15 x 108 people and the population of South America was approximately 3.04 x 108 people. What is the combined population of North and South America for this year? A) 8.

WHat is 20.48 + 48.02