Answer:
7
Step-by-step explanation:
the answer is 7
21 is 3 times 7
It CAN'T equal 21, since 9+10=19
BUT, if the 9 was changed to like, 11 - Then it would = 21, or if the 10 was changed to a 12, it would make 21 also,
Answer:
23
Step-by-step explanation:
Insert 3 for "x"
f(3)=23
Step-by-step explanation:
If the slope is parallel m1=m2=-3
eqn of line is
y-y1=m(x-x1)
y-2=-3(x-3)
y-2=-3x+9
3x+y=11
He can rent it for 5 days, you can solve this by subtracting the $15 flat rate from his $50, then dividing the remaining 35 by 6, leaving you with 5.8 which in this situation makes the answer 5