Place grouping symbols to make the equations true
13+12-7÷3×5=30

What line represents the relationship between r and s

Why does the shape of the distribution of the weights of russet potatoes tend to be symmetrical?

Use the given information to determine the exact trig value. cot theta = -square root of 5 / 2 , pi/2 < theta < pi, tan theta a.) - square root of 5 / 5 c.) - 2 square root of 5 / 5 b.) - square root of 5 / 2 d.) the answer isn't d, it was incorrect