What is 1/4 compared to 25%

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

Evaluate the expression. (9 + 5)(3 + 2)0

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?