Aladder is leaning against a building. the ladder is 10m long and it is sitting on
the ground 4m out from the building. what is the angle that the ladder makes with
the ground?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be