The temperature at noon was -3 degrees c by 10 p. m. on the same day the temperature decrease by 5.4 degrees what was the temperature at 10 p. m.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.