Me with these two 9th grade math questions!
1) what is the common ratio of the geometric sequence: -1/12,-1/2,-3,-
a) -1/6
b) -6
c) 1/6
d) 6
2) in the first hour of an experiment, the temperature of a liquid was 4.5°c. then the temperature was raised by 0.25°c every hour after that.
in what hour was the temperature of the liquid equal to 22.25°c?
a) hour 69
b) hour 70
c) hour 71
d) hour 72

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?