The sum of the third and sixth terms of an arithmetic sequence is 115 and the eleventh term is 77. Find the first term and the common difference. * I NEED THE ANSWER ASAP* WILL NOT EXCEPT PDF'S

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

Pranza plotted point a in the coordinate plane below.