67+46

Find the solution and model how you found your answer

Answer 2x y=10 and y x-5

Is 3^2+3^3 equal to 3^5? Explain.

For each other, the web site applies a 7.7% sales tax to the price of the cards, plus a one-time mailing fee of $5.95. Based on the information in the table, what will be the total cost for an order for 280?

What is the perimeter of 23 and 16

You are hiking on a trail that leads to the top of a mountain. At 1 P. M. you reach an elevation of 4400 feet. At 4 P. M. you reach an elevation of 5600 feet. What is your mean hourly change in elevation?

What are two straight lines that cross each other at a right angle?

Which fraction has a numerator of 9 and a denominator of 13? 9/13 13/9

Solve for x 176 = 14x + x^2

A lightning bolt moves at 120,000,000 feet per second. Which of the following is in scientific notation and tells how far the bolt will travel in one minute?

The difference in elevation of a helicopter and a submarine is 18121812 meters. the elevation of the submarine is - 734-734 meters. write and solve an equation to find the elevation hh (in meters) of the helicopter.