What is the gcf to 36 k and 144km

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar