What type of correlation is shown in this scatterplot?

a decline

no correlation

a positive correlation

a negative correlation

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial