La aguja horaria de un reloj mide 8 cm y la minutera 10 cm, ¿qué longitud de arco de circunferencia describe la aguja horaria en 2 horas?, ¿y la minutera en 15 minutos?.

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)