Harriet says that it is not possible to draw a quadrilateral that is not a trapezoid and not a parallelogram. is harriet correct?

How many zeros does the function f(x)=4x3-x2+1 have

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Write the expression as a single natural logarithm. 2 in a - 4 in y