Answer:
4th option (sqrt(10))/2
Step-by-step explanation:

U scammer it only says 5 points not 100
Answer:
x = 24/15 = 8/3 = 2 2/3
Step-by-step explanation:
remember what you do to the left you must do to the right.
I converted the -5 to -15/3 so I could easily add or subtract
-5/3 x = -8/3
multiply both sides by -3/5 to cancel the coefficient of the x
x = -8/3 * -3/5 = 24/15
I need help on that to. We have a test tomorrow and I can't figure it out and I need help:(
Answer:
B
Step-by-step explanation:
Angle 4 × Angle 3 = 90
Complementary angles
11x + 4x = 90
15x = 90
x = 6
Angle 3 = 4x = 4(6) = 24°