The carpet costs o.4 per square inch . How much money spend on the carpet. round the answer to nearest whole dollar

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.

When a number is decreased by 7%,the result is 74. what is the original number to the nearest tenth

If line segment ab measures approximately 8.6 units and is considered the base of parallelogram abcd, what is the apprlroximate corresponding height of the parallelogram?