4.) A sculptor is creating a set of small pyramids for an art installation. They need 15 pyramids, each with a square base with sides of 6.75 cm, and a height of 5 cm. The clay has a density of 1.44 g/cm How much
clay will they need?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Could somebody me with this radical simplification?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.