Given right triangle ABCABC with altitude \overline{BD} BD

drawn to hypotenuse ACAC. If AD=4AD=4 and BD=2,BD=2, what is the length of \overline{DC}?

DC

?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Find the nonpermissible replacement for binthis expression.b2/5b +5

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.