Answer: the answer is 7
Step-by-step explanation: add 9 to both sides, eliminating -9 so now you have 7x=49 divide both by 7 and you get x= 7 check it by inputing 7 for x, 7(7)-9=40
7(7)=49 next 49-9= 40
it checks out, so x= 7
Answer:
A yes
B yes
C No
D No
Step-by-step explanation:
If it is a function then the first number in the ordered pair is use only one time.
Answer: $15
Step-by-step explanation:
-$50 + $75 = $15
you would multiply speed by time
20 feet per second times 10 seconds = 200 feet total
Answer:
7. quadrilateral, 8. square, 9. rectangle, 10. rhombus or parallelogram 11. square, 12. square, 13. rhombus or parallelogram, 14. parallelogram or rhombus
