Joshua travels 23 miles to work and 23 miles home five days a week. how many miles does he travel in four weeks?

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.