In ΔCDE, the measure of ∠E=90°, the measure of ∠C=81°, and DE = 51 feet. Find the length of CD to the nearest tenth of a foot.

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks

The volume of the triangular prom is 54 cubic units

What weather conditions cause a hurricane