What is teh maximum area of a reactangle that is inscribed in an ellipse of equation 81x^2 +64y^2 =19

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

The table shows the number of hours orlando spent at football practice last week. select the appropriate numbers below to complete the model to find the number of hours orlando spent practicing on tuesday and friday.

Write the percent as a fraction or mixed number in simplest form. 0.8%