In his free time, gary spends 9 hours per week on the internet and 14 hours per week playing video games. if gary has five hours of free time per day, approximately what percent of his free time is spent on the internet and playing video games?

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.