663 rounded to the nearest ten and hundred

If you were flying an airplane, balloon, or helicopter, why would you need to understand three dimensions to navigate safely?

A health club manager wants to determine whether the members would prefer a new sauna or a new steam room. The club surveys 50 of its 600 members. What is the population of this study?

How many more angles does a trapezoid have than a triangle?

What is 160 bananas; 20% decrease?

Given that ƒ (x) = x² + 5x, evaluate ƒ (-2).

What is the value of the rational expression below when xis equal to 5? 15 - x / x-10

Jason writes a numerical expression to represent the situation. His expression, (12-4) * 5, has a mistake. Explain Jason's Mistake

Vincent needs 30 inches of wood to make one shelf. How many feet of wood does Vincent need to make 6 shelves

Consider the equations 5x+10=30 and 5 (x+10) = 30. Do they have the same solution? Why or why not?

19 squared equals 361