Answer:
72.500
Step-by-step explanation:
I'm not sure, but I'm 80% sure
Answer:
69
Step-by-step explanation:
to find f(3), we'll have to substitute x with 3
therefore,
f(3) = 19 × 3 + 12
= 57 + 12
= 69
Answer:
this is a trick question her brother had 9 marbles but lost 2 so either they all got 9 marbles which means they bought 45 marbles.
Step-by-step explanation:
9 times 4 is 45
Answer:
A
Step-by-step explanation:
It's A because 7*12 is 84, and 5*7 is 35. B, C, and D, all have answers above 500 so logically A is the answer because it is closest to 7*12.