The post office charges $0.43 for stamps for 1-ounce letters and $0.29 for postcards. Which expression gives the total cost of stamps in dollars for r letters and p postcards? 0.431 - A. 299
B. 0.43r + 0.29p 0.72(r + p)
C. 0.72rp​

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)

step-by-step explanation:

*calories burned = (weight)(calorie factor)*

calories burned = 180 (0.65)

calories burned = 117

the calories he used up is 117, which is 65% of his weight.  

i think the answer is b x = 1, y = 35/2