2cosAcosB =

• cos(A + B) + cos(A - B)
• sin(A - B) + tan(A + B)

Which symbol makes the steam in true 0.7 > 0.77

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?