Which statement is true about the residual plot below? No regression model is appropriate for the data.
3
A quadratic model is appropriate for the data.
2
1
.
.
A linear model is a good fit for the data.
0
2
3
4.
5X
.
The sum of the residuals is greater than zero.

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

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.

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays