A salesperson from a book company offers two book sales packages as shown in the diagram below. RM63
PACKAGE A
SET PT3 1
3 Reference books + 2 Exercise books

RM 102
PACKAGE B
5 Reference books + 3 Exercise books
Determine the prices of a reference book and an exercise book.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

50.6

step-by-step explanation:

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval