How many 5-card hands can be
dealt from a standard deck of 52
cards?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?