Gustavo and Yuki were asked to find an explicit formula for the sequence 19.0, -19, -38, ..., where the first term should be h(1). Gustavo said the formula is h(n) = 19 – 19n.
Yuki said the formula is h(n) = –19+ 19n.
Which one of them is right?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

1. what is the measure of ∠abc? what is the measure of ∠abd?

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.