Each lap of the track at oak middle school is 1/4 of a mile. jacob jogged around the track and completed 9 laps in 30 minutes.

what is the unit rate of jacob's speed?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Consider the function f(x)=-5x+3 what is f(-2)

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .