Al girar la ruleta, ¿qué probabilidad existe de que la ruleta se detenga en... a) el número 5?
b) un número menor que 4?
c) un múltiplo de 2?
d) un número impar?
e) un número que no sea impar?
f) un número impar o par?

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

Use the multiplier method to incrases £258 by 43%

Abcd is a parallelogram find the valuse of x