The vega family has a 3-year cell phone contact. javier vega says that the family gets a total of 3x10 (4) (4 as an exponent) minutes of talk time to share during the 3 years. is javier correct or incorrect? explain.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176