Which expression is not equivalent to cos60°? a. 1/2
b. sin60°/tan60°
c. sin30°
d. cos^ -1 (1/2)

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What point is the projection of q on a) r b) s c) t

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)