Answer:
9
Step-by-step explanation:
the slope of this equation is 9. he ears $200 say for a bonus or something. but his hourly rate is 9, if he works 10 hours, he ears $90 plus that 200
19,600 Nm
WD = mgh
= 40 × 9.8 × 50
= 19600 Nm
nadaa
(3 x 20) + 9 = 69
4 x 100) + 20 = 420