PLEASE HELP FOR TEST TO GET GRADE TO PASSING 1.] The pool below is surrounded by 1-foot square rectangular tiles.

a. [] Write an expression that can represent the number of tiles x to
surround (PERIMETER) the pool.
Expression
b. [] Write another equivalent expression that can also represent the
number of tiles x to surround (PERIMETER) the pool.
Expression:

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old