Given a parametric curve {x = 2 cost
{y = 4 sint 0 <= t <= π

a. Set up but do NOT evaluate an integral to find the area of the region enclosed by the curve and the x-axis.
b. Set up but do NOT evaluate an integral to find the area of the surface obtained by rotating the curve about the x-axis.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

According to the data set, where should the upper quartile line of the box plot be placed?

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet