Find the coordinates of Q' if the center of dilation is the origin, k = 5, and the preimage has coordinates Q(0, -1), R(2, 3) and S(5, 1).

Abcd is a parallelogram find the valuse of x

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?