In both types of reactions, new substances are formed and there are changes in energy. However, endothermic reactions absorb energy, whereas exothermic reactions release energy. Reteach Change the boldface sentences into questions, and call on students to answer them.
The average monthly cell phone bill has soared in recent years to well over $100. A study earlier this year found that Verizon (VZ) was the most expensive carrier, with an average customer bill of $148 a month. Sprint (S) and AT&T (T) weren't that far behind, and T-Mobile (TMUS) was the least expensive of the Big Four carriers at $120.
A phone bill is dependent on many thing. The company in which a  person signs a contract, or if they go with an as you go plan. A  phone bill can cost anywhere from $30 a â¦ month to a couple hundred a  month.1 person found this useful. phone bill is dependent on many thing. The company in which a  person signs a contract, or if they go with an as you go plan. A  phone bill can cost anywhere from $30 a â¦ month to a couple hundred a  month. 1 person found this useful.