Someone pls help, this test is due in a few minutes

Ataxi cab charges $1.75 for the flat fee and $0.25 for each time. write an in equality to determine how many miles eddie can travel if he has $15 to spend.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

The area of square garden is 300m squared. how long is the diagonal?