Plz ! lisa earns $7.50 per hour mowing lawns. a. write a rule to describe how the amount of money m earned is a function of the number of hours h spent mowing lawns. b. how much money does lisa earn if she works for 5 hours and 45 minutes?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

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 .

Provide all steps given to find the answer. simplify: 5(2x+9)²