Combine like terms to simplify the expression:
-4 + 7 − 2x + 10x =

Sketch one cycle if the cosine function y=2cos2theta

Asinusoidal function whose frequency is 1/6pi

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?