ACTIVIDAD 3 1. Sumar los siguientes números enteros utilizando la recta numérica
a. (+5) + (+9)
b. (-5) + (-7)
c. (+11) + (-9)
d. (-4) + (+3)
e. (+12) + (-12)
f. (+3) + (+8)
g. (-7) + (-5)​

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?