Let p be an odd prime and x∈z. prove that if x^(p−2) ≡1 (mod p), then x≡1 (mod p).

1foot = 12 inches; 1 yard = 3 feet

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?