A specific laptop loses half of its value every six months. If the original cost was $1, 100 and the value of the laptop is now $68.75, how many years have you owned the laptop​​

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Which of the following circles have their centers in the third quadrant?

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2