Answer:
x = 28
Step-by-step explanation:
ΔARP ≈ ΔCRD
42/x = 57/(10+x)
cross-multiply:
42(10+x) = 57x
420 + 42x = 57x
420 = 15x
28 = x
cos θ =
cos ∠N =
∠N = cos⁻¹
∠N = 60.65°
Answer: 61°
A. lower quartile is 3 and upper quartile is 8
im pretty sure but idkk
D is not a terminating decimal because it repeats *hint the dash mark above the 4*
