Answer:
40
Step-by-step explanation:

.5(10 X 8)
.5 x 80
40 units^2
It’s the number 3 hope this helps
Best way to start this is set up your ground work...
Adult= A Student =S
A + S = 292
A3 + S1 = 470$
this will be your system of equations now set up your matrix and have A or S at the bottom stand alone.
Answer:circle
Step-by-step explanation:
I got it right on the test.
Answer:
23
Step-by-step explanation:
3x+3=72
3x=72-3
3x=69
x=23