Y=2x-3 and y=-3x+7 using substitution

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

If the value of cos330°is√3/2 then find cos 165°.

Identify one charcteristic of exponential growth