Use Pythagorean Theorem to find the missing measurement. Show your work. Round to the nearest
hundredth if necessary.
a, 12 ft; b. 12 ft

12^2+12^2=c^2

Step-by-step explanation:

12x12=144 + 12x12=144=c^2

288=c^2

find the square root of 288

19.97=c 20=c

-14 is the answer

hope this : ))

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18