Any straight line graph has a constant gradient, which is calculated by the change in 𝑦 divided by the change in 𝑥, along any section of the graph. The gradient is measuring the steepness of the ...

春高バレー出場経験を持つ俳優の蒔埜ひな（まきの・ひな）さんが、10月31日発売の「blt graph.vol.112」（東京ニュース通信社）に水着グラビアで初登場します。