Find the average value o f over the region d:

f(x, y) = xsin(y), d is enclosed by the curves y =0, y=x^2, and x=1

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?