Y=5x-7 -3x-2y=-12 (2,3)
y=4x+3 y=-x-2 (-1,-1)
12x+8y=140 5 adults 10 children
12(5)+8(10)=140
60+80=140
Jessica tipped the driver about $4.75 or $4.756
Answer:


Step-by-step explanation:
As this is the case of exponential growth, we can use the function

Here A is function of t, where A gives the balance after time t.
P = initial deposit,
r = rate of change or rate of interest,
$6200 deposit that earns 8.4% annual interest compounded monthly for 18 months.
So,
P = $6200,
r = 8.4% annual =
monthly =
monthly (as interest compounded monthly)
t = 18 months,
Putting all the values,




Answer:

Step-by-step explanation:

I am joyous to assist you anytime.
Answer: They show numerical value. You have to make them clear.
Step-by-step explanation: