A show the hourly earnings (in dollars) of a sample of 25 railroad equipment manufacturers. Use technology to answer parts (a) and (b). 15.60
18.75
14.60
15.85
14.40
13.95
17.55
17.60
13.85
14.25
19.00
15.35
15.20
19.45
16.00
16.55
16.35
15.20
15.10
19.15
15.25
16.25
17.75
18.45
15.20

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1

the answer is two. hope this !

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct

the football players are volunteering for the test.

happy to

pls mark as brainliest