How much will it cost molly is she used her cell phone for 390 minutes in one month?

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm.it decreased by the same amount each year. what was the change in grandpa ernie's height each year

Starting with the fact that angles 1 and a are a linear pair and that angles b and 2 are also a linear pair, use two column proof to prove that consecutive interior angles a and b are supplementary