La suma de 3 más el doble de un número es igual a ese número pero con signo negativo. llamemos x al número desconocido.

An average adult body contains 5 quarts of blood. If an adult body donates 1 pint of blood, how many pints are left?

A basketball team has 12 players. In how many different ways can the coach select 2 players to be the captains for tonight's game?

Which is greater, 0.9 or 1.4

Some kids went on a bike ride. The ride was six hours long and the kids traveled 54 mi. For part of the ride they biked at a speed of 7 mph and for part of the ride they biked at a speed of 11 mph.

What is 142/1000 as a decimal?

Write the following proportions using colons 7 is to 21 as 3 is to 9

With a tail wind, a plane traveled 840 miles in 3hrs. With the same wind as a head wind, the return trip took 30 minutes longer. Find the plane's airspeed (in still air) and the wind speed ... So lost smh

A chef is weighing tomatoes to decide which to use in a recipe. Which unit is he most likely to use? A. milligrams B. Grams C. Kilograms

a business Spa a lot of 2500 lamps for $50,000 and wants to sell them at a 15% profit how much should each lamp cost

Find the area of the circle with the given radius or diameter. Use = 3.14. d = 12 A = 56.52 113.04 452.16