Petra practiced her clarinet 2/4 of an hour on Tuesday, 2/4 of an hour on Thursday, and 1/4 of an hour on Saturday. How many hours did Petra practice her clarinet on those days.

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Find the value of x that will make l ll m

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)