Select each correct answer.

a) 30a + 6ad

b) (6a ⋅ 5) + (6a ⋅ d)

c) 30a + (6a ⋅ d)

d) 30ad

f) 11a + d

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1