Plz hurry its timeddd
the perimeter of a square is 80-64y units. which expression can be used to show the side length of one side of the square?
a. 16(5-4y): each side measures 5-4y units.
b. 16y(5-4): each side measures 5-4 units.
c. 4(20-16y): each side measures 20-16y units.
d. 4y(20-16): each side measures 20-16 units.

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?