Answer:7/12
Step-by-step explanation:there are 12 coins in total and 7 of them are pennies
(3 * n) +4 = 16
(3 * n) = 12
n = 4
Answer:
3.7 is your answer or 4.0 or 4
Step-by-step explanation:
(-5, 4)
You can get this by finding the vertex at -b/2a for x value and plugging in to find the y value.
