Which equations model exponential decay?

select each correct answer.

y=6(2.1)xy=6(2.1)x

y=0.34(0.98)xy=0.34(0.98)x

y=0.75(1.21)xy=0.75(1.21)x

y=8(0.28)xy=8(0.28)x

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

9/10 divide by -3/15 as a mixed number

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?