Someone me with these problems asap

Timed***how else can the sequence for row 1 be written? notice: square a: 1 penny = 20 square b: 2 pennies = 21 square c: 4 pennies = 22 the sequence formed is geometric, with a1 = , and common ratio r = .

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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