Gary saves $2.50 each day. which equation describes the relationship between the number of days (d) gary saves money and the total amount of money (m), in dollars, that he saves?

a. m equals 2.50d

b. m equals d minus 2.50

c. d equals 2.50m

d. d equals 2.50 divided by m

i dont understand it at all

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer