Akeem and jack are discussing their friend's new swimming pool. it is rectangular in shape. akeem says he knows that it has a perimeter of 90 feet. jack says he knows that it has a width of 5 yards. what is the length of the swimming pool in yards?

c

step-by-step explanation:

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,