The sum of two numbers is equal to 30. which of the following expressions can be used to find the product of the two numbers if one of the numbers is x? a. x^2 b. x(x-30) c. x(30-x) d. (x-30)^2

Plz ! what is the volume of this pyramid? with numbers of 30cm 14cm 18cm

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Which of the following contains a variable?