Table below shows a furniture stores expected profit in dollars for selling x chairs

Which table represents a linear function? i'll give brainliest to first answer ^'^

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints