If the world record for swimming the 50 meter frestyle event was 21.34 seconds. suppose the athlete swam at a constant rate, what was his speed?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents