Which equation has X = 5 as the solution ? x+ 15 = 10
2x=5
2x=10
x-15=20

Which one of these equations ! Need help !!

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a. r'(–3, 1),  s'(–3, 5)b. r'(–1, 3),  s'(–5, 3)c. r'(1, 3),  s'(5, 3)d. r'(5, 3),  s'(1, 3)

Solve the triangle. a = 21°, c = 105°, c = 5

Someone which statements are true? check all that apply.