Plantea una ecuacion

en una academia de idiomas el numero de personas que estudian frances es la mitad del numero que estudian ingles calcula cuantas personas hay en cada grupo si en total hay 40 persona

Which letter has rotational symmetry Y X B M

What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide? a. 24 cubic inchesb) 72 cubic inchesc) 120 cubic inchesd) 240 cubic inches

Mrs. hensen cataloged a group of incoming library books in 8 hours. mr. taylor can catalog the same number of books in 4 hours. mrs. phillips can catalog them in 6 hours. how long would it take if they all worked together?

Fifeteen more than half a number s 9

Which of the objects shown below could be sliced to create a circular cross-section? cone, sphere, cylinder, cube, triangular prism (equilateral base), right pyramid (square base) choose all answers that apply.

Contestants dance and I dance-athon rest for the same amount of time every hour a couple rests for 25 minutes in five hours how long did the rest in 8 hours?

If AD=6x+10 and CD=2x+12, find the length of AC

Determine which rational humber is greater by rewriting each pair of fractions using their LCD. 2/15, 4/25 2/5, 4/11

Jesus purchased cookies for a party. He bought 11 cookies for $.51 each and 12 cookies for $.62. How much money did he spend on cookies?

Fir a walk-a-thon a sponsor to give a flat tree of 5$ plus 2$ for every mile m you walk