on a flight from London, 30% of the passengers came from Germany. If there were 280 passengers in all, how many came from Germany?

12 coins are tossed and placed in a line. each coin can either show a head or a tail

Brandon has an extension ladder that can only be used at a length of 10 feet, 15 feet, or 20 feet. He places the base of the latter 9 feet from the wall I need the top of the ladder to reach 12.

Evaluate. 9 - 0.224 + 3.2

Use the formula P equals 2 l plus 2 w. Find the perimeter of a rectangle with a length of 12.9 ft and a width of 19.3 ft. Show all of your work.

An object moves along the x-axis, its position at each time t> 0 given by / "x (t) = 81/2*t^2-3/4*t^4/" Determine the time interval (s), if any, during which the object slows down.

The radius of a circle is 5 kilometers. What is the circles diameters

The area of a circle is 78.5 cm². Find the lenght of the radius of a circle. Use π = 3.14

Which set of ordered pairs does not represent a function? { (-9,0), (-8,8), (-1,-8), (2,8) } { (-6, - 2), (-7,-7), (-5,-2), (-9,-8) } { (9,6), (-3,-9), (-8, - 1), (9,5) } { (-1,-8), (4,1), (-7,-3), (-3,5) }

What is 3/2+3/5+9/10

What is the complete factorization of 2x2 - 11x - 21?