A store is having a sale with a 25% discount on all merchandise. Which equation represents the relationship between the regular cost of merchandise (r) and the discount received (d)? A
d = 0.25r

B
r = 0.25d

C
d=25r

D
r = 25d

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

6

step-by-step explanation: