Amanda solve the folling problem below. did she solve it correctly? If not, what was her error? how can you check to be sure? Plz hurry
I make brainlist

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)