In the following integrals, change the order of integration, sketch the corresponding regions, and evaluate the integral both ways (a) ∫10∫1x xydydx(b) ∫π/20∫cosθ0 cosθdrdθ(c) ∫10∫2−y1 (x+y)^2 dxdy(d) ∫ba∫ya f(x, y)dxdy∫(express your answer in terms of antiderivatives)

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .